This page has only limited features, please log in for full access.

Unclaimed
Maite Mascaro
Unidad Multidisciplinaria de Docencia e Investigación, Facultad de Ciencias, Univ. Nacional Autónoma de México Sisal Yucatán México

Basic Info

Basic Info is private.

Honors and Awards

The user has no records in this section


Career Timeline

The user has no records in this section.


Short Biography

The user biography is not available.
Following
Followers
Co Authors
The list of users this user is following is empty.
Following: 0 users

Feed

Research
Published: 29 January 2021 in Ecography
Reads 0
Downloads 0

SSP (simulation‐based sampling protocol) is an R package that uses simulations of ecological data and dissimilarity‐based multivariate standard error (MultSE) as an estimator of precision to evaluate the adequacy of different sampling efforts for studies that will test hypothesis using permutational multivariate analysis of variance. The procedure consists in simulating several extensive data matrixes that mimic some of the relevant ecological features of the community of interest using a pilot data set. For each simulated data, several sampling efforts are repeatedly executed and MultSE calculated. The mean value, 0.025 and 0.975 quantiles of MultSE for each sampling effort across all simulated data are then estimated and standardized regarding the lowest sampling effort. The optimal sampling effort is identified as that in which the increase in sampling effort does not improve the highest MultSE beyond a threshold value (e.g. 2.5%). The performance of SSP was validated using real data. In all three cases, the simulated data mimicked the real data and allowed to evaluate the relationship MultSE – n beyond the sampling size of the pilot studies. SSP can be used to estimate sample size in a wide variety of situations, ranging from simple (e.g. single site) to more complex (e.g. several sites for different habitats) experimental designs. The latter constitutes an important advantage in the context of multi‐scale studies in ecology. An online version of SSP is available for users without an R background.

ACS Style

Edlin Guerra-Castro; Juan Carlos Cajas; Nuno Simões; Juan J. Cruz‐Motta; Maite Mascaró. SSP: an R package to estimate sampling effort in studies of ecological communities. Ecography 2021, 44, 561 -573.

AMA Style

Edlin Guerra-Castro, Juan Carlos Cajas, Nuno Simões, Juan J. Cruz‐Motta, Maite Mascaró. SSP: an R package to estimate sampling effort in studies of ecological communities. Ecography. 2021; 44 (4):561-573.

Chicago/Turabian Style

Edlin Guerra-Castro; Juan Carlos Cajas; Nuno Simões; Juan J. Cruz‐Motta; Maite Mascaró. 2021. "SSP: an R package to estimate sampling effort in studies of ecological communities." Ecography 44, no. 4: 561-573.

Journal article
Published: 24 January 2021 in Diversity
Reads 0
Downloads 0

The Yucatán Peninsula is a karstic region, rich in subterranean environments with a diverse crustacean stygobiont fauna. In order to gain insights into the biological evolution of the subterranean environments of this region, we evaluated the ostracode species composition of caves and cenotes in five independent sampling campaigns (2008, 2013, 2017–2019). Using morphometric analyses, we evaluated inter-population morphological variability; using molecular analysis based on mitochondrial COI and nuclear 18S rDNA, we evaluated genetic differentiation in selected species. The observed fauna is composed of 20 (epigean) species, presenting a lack of strict stygobionts. Morphometric analyses discriminated up to three morphotypes in each of the three most abundant species: Cytheridella ilosvayi, Alicenula sp. and Cypridopsis vidua. High intraspecific morphological variability was found either in shape or size. Phylogenetic analysis based on COI demonstrated the existence of three lineages on C. ilosvayi, with high support (>0.9). The 18S rDNA sequences were identical among individuals of different populations. A lack of congruence between the genetic markers precluded us from postulating speciation in subterranean environments. It is likely that Late Pleistocene—Early Holocene climate variation related to sea level and precipitation was forcing agent for epigean ostracode dominance in subterranean environments of the Peninsula.

ACS Style

Laura Macario-González; Sergio Cohuo; Dorottya Angyal; Liseth Pérez; Maite Mascaró. Subterranean Waters of Yucatán Peninsula, Mexico Reveal Epigean Species Dominance and Intraspecific Variability in Freshwater Ostracodes (Crustacea: Ostracoda). Diversity 2021, 13, 44 .

AMA Style

Laura Macario-González, Sergio Cohuo, Dorottya Angyal, Liseth Pérez, Maite Mascaró. Subterranean Waters of Yucatán Peninsula, Mexico Reveal Epigean Species Dominance and Intraspecific Variability in Freshwater Ostracodes (Crustacea: Ostracoda). Diversity. 2021; 13 (2):44.

Chicago/Turabian Style

Laura Macario-González; Sergio Cohuo; Dorottya Angyal; Liseth Pérez; Maite Mascaró. 2021. "Subterranean Waters of Yucatán Peninsula, Mexico Reveal Epigean Species Dominance and Intraspecific Variability in Freshwater Ostracodes (Crustacea: Ostracoda)." Diversity 13, no. 2: 44.

Journal article
Published: 30 November 2020 in Subterranean Biology
Reads 0
Downloads 0

This study provides an updated checklist and an illustrated guide to the 17 currently known stygobiont Malacostraca species of the state of Yucatan (Yucatan Peninsula, Mexico). The compilation is based on the individuals collected during our cave-diving expeditions (2016–2019), and, has the purpose of expanding previous knowledge on the taxonomy of these subterranean crustaceans. The identification guide contains drawings of the main diagnostic characters of the species as well as a brief introduction of the relevant malacostracan orders. The information is further complemented with a historic account and timeline of the stygobiont Malacostraca species of the Yucatan Peninsula. This is the first study that provides a unified tool for the morphological identification of these highly endemic species.

ACS Style

Dorottya Angyal; Nuno Simões; Maite Mascaró. Uptaded checklist, historical overview and illustrated guide to the stygobiont Malacostraca (Arthropoda: Crustacea) species of Yucatan (Mexico). Subterranean Biology 2020, 36, 83 -108.

AMA Style

Dorottya Angyal, Nuno Simões, Maite Mascaró. Uptaded checklist, historical overview and illustrated guide to the stygobiont Malacostraca (Arthropoda: Crustacea) species of Yucatan (Mexico). Subterranean Biology. 2020; 36 ():83-108.

Chicago/Turabian Style

Dorottya Angyal; Nuno Simões; Maite Mascaró. 2020. "Uptaded checklist, historical overview and illustrated guide to the stygobiont Malacostraca (Arthropoda: Crustacea) species of Yucatan (Mexico)." Subterranean Biology 36, no. : 83-108.

Journal article
Published: 30 July 2020 in Scientific Reports
Reads 0
Downloads 0

Cave shrimps of the Typhlatya genus are common and widespread in fresh, brackish and marine groundwater throughout the Yucatan Peninsula (Mexico). These species are ideal models to test niche partitioning within sympatric species in oligotrophic systems. Nevertheless, their food sources remain unidentified, and despite their frequency and functional importance, distribution and abundance patterns of these species within caves have not been fully recognized. Here, we describe the abundance of three Typhlatya species in different temporal and spatial scales, investigate changes in water conditions, and potential sources of carbon as an indication of food origin. Species composition and abundance varied markedly in space and time revealing patterns that differed from one system to another and in relation to environmental parameters. Isotope analysis showed that each species reflects a particular δ13C and Δ14C fingerprint, suggesting they feed in different proportions from the available carbon sources. Overall, our findings suggest a niche partitioning of habitat and feeding sources amongst the three Typhlatya species investigated, where environmental characteristics and physiological differences could play an important role governing their distribution patterns.

ACS Style

Efrain Miguel Chavez Solis; C. Solís; Nuno Simoes; M. Mascaró. Distribution patterns, carbon sources and niche partitioning in cave shrimps (Atyidae: Typhlatya). Scientific Reports 2020, 10, 1 -16.

AMA Style

Efrain Miguel Chavez Solis, C. Solís, Nuno Simoes, M. Mascaró. Distribution patterns, carbon sources and niche partitioning in cave shrimps (Atyidae: Typhlatya). Scientific Reports. 2020; 10 (1):1-16.

Chicago/Turabian Style

Efrain Miguel Chavez Solis; C. Solís; Nuno Simoes; M. Mascaró. 2020. "Distribution patterns, carbon sources and niche partitioning in cave shrimps (Atyidae: Typhlatya)." Scientific Reports 10, no. 1: 1-16.

Preprint content
Published: 21 March 2020
Reads 0
Downloads 0

SSP (simulation-based sampling protocol) is an R package that uses simulation of ecological data and dissimilarity-based multivariate standard error (MultSE) as an estimator of precision to evaluate the adequacy of different sampling efforts for studies that will test hypothesis using permutational multivariate analysis of variance. The procedure consists in simulating several extensive data matrixes that mimic some of the relevant ecological features of the community of interest using a pilot data set. For each simulated data, several sampling efforts are repeatedly executed and MultSE calculated. The mean value, 0.025 and 0.975 quantiles of MultSE for each sampling effort across all simulated data are then estimated and standardized regarding the lowest sampling effort. The optimal sampling effort is identified as that in which the increase in sampling effort do not improve the precision beyond a threshold value (e.g. 2.5 %). The performance of SSP was validated using real data, and in all examples the simulated data mimicked well the real data, allowing to evaluate the relationship MultSE – n beyond the sampling size of the pilot studies. SSP can be used to estimate sample size in a wide range of situations, ranging from simple (e.g. single site) to more complex (e.g. several sites for different habitats) experimental designs. The latter constitutes an important advantage, since it offers new possibilities for complex sampling designs, as it has been advised for multi-scale studies in ecology.

ACS Style

Edlin Jose Guerra-Castro; Juan Carlos Cajas; Fernando Nuno Dias Marques Simoes; Juan Jose Cruz-Motta; Maite Mascaro. SSP: An R package to estimate sampling effort in studies of ecological communities. 2020, 1 .

AMA Style

Edlin Jose Guerra-Castro, Juan Carlos Cajas, Fernando Nuno Dias Marques Simoes, Juan Jose Cruz-Motta, Maite Mascaro. SSP: An R package to estimate sampling effort in studies of ecological communities. . 2020; ():1.

Chicago/Turabian Style

Edlin Jose Guerra-Castro; Juan Carlos Cajas; Fernando Nuno Dias Marques Simoes; Juan Jose Cruz-Motta; Maite Mascaro. 2020. "SSP: An R package to estimate sampling effort in studies of ecological communities." , no. : 1.

Journal article
Published: 12 February 2020 in ZooKeys
Reads 0
Downloads 0

New records of 14 stygobiont crustacean species pertaining to six Malacostraca orders from 32 cenotes are presented, with their associated caves of the state of Yucatan, Mexico, together with an individual account for each species. Species composition of most of the investigated cenotes is examined for the first time. A thermosbaenacean and two amphipod species were not formally recorded to the cenote ecosystems of the state of Yucatan prior to our research. Distribution data of a cirolanid isopod previously known only from its type locality is also provided. Barcodes of mitochondrial cytochrome c oxidase subunit I for the reported peracarid species previously lacking this information have been included in present study as tools for species identification and a baseline of further molecular genetic analyses.

ACS Style

Dorottya Angyal; Efrain Miguel Chavez Solis; Luis Arturo Liévano Beltrán; Benjamín Magaña; Nuno Simões; Maite Mascaró. New distribution records of subterranean crustaceans from cenotes in Yucatan (Mexico). ZooKeys 2020, 911, 21 -49.

AMA Style

Dorottya Angyal, Efrain Miguel Chavez Solis, Luis Arturo Liévano Beltrán, Benjamín Magaña, Nuno Simões, Maite Mascaró. New distribution records of subterranean crustaceans from cenotes in Yucatan (Mexico). ZooKeys. 2020; 911 ():21-49.

Chicago/Turabian Style

Dorottya Angyal; Efrain Miguel Chavez Solis; Luis Arturo Liévano Beltrán; Benjamín Magaña; Nuno Simões; Maite Mascaró. 2020. "New distribution records of subterranean crustaceans from cenotes in Yucatan (Mexico)." ZooKeys 911, no. : 21-49.

Original article
Published: 02 August 2019 in Aquaculture Research
Reads 0
Downloads 0

This study assessed the effect of starvation on survival and nutritional status of newborn juveniles H. erectus (<10 days) to optimize rearing protocols, thereby helping to reduce wildlife exploitation. Maximum starvation time (MST) was estimated through the survival of juveniles continuously starved from birth. Resistance to starvation and the effect of food re‐introduction after 1, 2, 4 and 6 days of starvation on survival and metabolite concentrations (total proteins, total lipids, acylglycerides, cholesterol, glucose) were also determined. Survival amongst continuously starved animals decreased from 6.6 ± 0.5 to 0% from days 9 to 10 of starvation. Seahorses under different starvation–refeeding treatments all had 100% survival up to day 5 of experiments. After 10 days, however, a 4‐day starvation period followed by refeeding showed negative effects with <50% survival. During continuous starvation, lipids were the first energy reserve used to maintain basal metabolism, followed by proteins. Except for cholesterol, all metabolite concentrations differed between continuous starvations and feeding. Despite high seahorse survival after 5 days in the absence of food, the recovery of the metabolic status is possible after a starvation period of no more than 2 days, since irreversible physiological changes compromising the ultimate survival of the organisms take place after this time.

ACS Style

Giulia Del Vecchio; Francisco Otero‐Ferrer; Cristina Pascual; Carlos Rosas; Nuno Simoes; Maite Mascaró. Effect of starvation on survival and biochemical profile of newborn juvenile lined seahorses,Hippocampus erectus(Perry, 1810). Aquaculture Research 2019, 50, 3729 -3740.

AMA Style

Giulia Del Vecchio, Francisco Otero‐Ferrer, Cristina Pascual, Carlos Rosas, Nuno Simoes, Maite Mascaró. Effect of starvation on survival and biochemical profile of newborn juvenile lined seahorses,Hippocampus erectus(Perry, 1810). Aquaculture Research. 2019; 50 (12):3729-3740.

Chicago/Turabian Style

Giulia Del Vecchio; Francisco Otero‐Ferrer; Cristina Pascual; Carlos Rosas; Nuno Simoes; Maite Mascaró. 2019. "Effect of starvation on survival and biochemical profile of newborn juvenile lined seahorses,Hippocampus erectus(Perry, 1810)." Aquaculture Research 50, no. 12: 3729-3740.

Journal article
Published: 09 April 2019 in PeerJ
Reads 0
Downloads 0

Sexual maturation and reproduction influence the status of a number of physiological processes and consequently the ecology and behaviour of cephalopods. Using Octopus mimus as a study model, the present work was focused in the changes in biochemical compound and activity that take place during gonadal maturation of females and its consequences in embryo and hatchlings characteristics. To do that, a total of 31 adult females of O. mimus were sampled to follow metabolites (ovaries and digestive gland) and digestive enzyme activities (alkaline and acidic proteases) during physiological and functional maturation. Levels of protein (Prot), triacylglyceride (TG), cholesterol (Chol), glucose (Glu), and glycogen (Gly) were evaluated. Groups of eggs coming from mature females were also sampled along development and after hatching (paralarvae of 1 and 3 days old) to track metabolites (Prot, TG, Glu, Gly, TG, Chol), digestive enzymes activity (Lipase, alkaline proteases, and acidic proteases), and antioxidant/detoxification defence indicators with embryos development. Based on the data obtained, we hypothesized that immature females store Chol in their ovaries, probably from the food they ingested, but switch to TG reserves at the beginning of the maturation processes. At the same time, results suggest that these processes were energetically supported by Glu, obtained probably from Gly breakdown by gluconeogenic pathways. Also, was observed that embryos metabolites and enzyme activities (digestive and antioxidant/detoxification enzymes) where maintained without significant changes and in a low activity during the whole organogenesis, meaning that organogenesis is relatively not energetically costly. In contrast, after organogenesis, a mobilization of nutrients and activation of the metabolic and digestive enzymes was observed, together with increments in consumption of yolk and Gly, and reduction in lipid peroxidation. Derived from our results, we also have the hypothesis that reactive oxygen species (ROS) were produced during the metabolic processes that occurs in ovarian maturation. Those ROS may be in part transferred to the egg provoking a ROS charge to the embryos. The elimination of ROS in embryos started when the activity of the heart and the absorption of the yolk around stages XIV and XV were evident. Altogether, these processes allowed the paralarvae to hatch with buffered levels of ROS and with the antioxidant defence mechanisms ready to support further ROS production derived from paralarvae higher life stage requirements (feeding and metabolic demands).

ACS Style

Alberto Olivares; Gabriela Rodríguez-Fuentes; Maite Mascaró; Ariadna Sanchez Arteaga; Karen Ortega; Claudia Caamal Monsreal; Nelly Tremblay; Carlos Rosas. Maturation trade-offs in octopus females and their progeny: energy, digestion and defence indicators. PeerJ 2019, 7, e6618 .

AMA Style

Alberto Olivares, Gabriela Rodríguez-Fuentes, Maite Mascaró, Ariadna Sanchez Arteaga, Karen Ortega, Claudia Caamal Monsreal, Nelly Tremblay, Carlos Rosas. Maturation trade-offs in octopus females and their progeny: energy, digestion and defence indicators. PeerJ. 2019; 7 ():e6618.

Chicago/Turabian Style

Alberto Olivares; Gabriela Rodríguez-Fuentes; Maite Mascaró; Ariadna Sanchez Arteaga; Karen Ortega; Claudia Caamal Monsreal; Nelly Tremblay; Carlos Rosas. 2019. "Maturation trade-offs in octopus females and their progeny: energy, digestion and defence indicators." PeerJ 7, no. : e6618.

Journal article
Published: 02 May 2018 in Science Trends
Reads 0
Downloads 0
ACS Style

Arturo Vargas; Maite Mascaro; Nuno Simões. Exploring New Feeding Methods For Hippocampus Erectus, The Lined Seahorse. Science Trends 2018, 1 .

AMA Style

Arturo Vargas, Maite Mascaro, Nuno Simões. Exploring New Feeding Methods For Hippocampus Erectus, The Lined Seahorse. Science Trends. 2018; ():1.

Chicago/Turabian Style

Arturo Vargas; Maite Mascaro; Nuno Simões. 2018. "Exploring New Feeding Methods For Hippocampus Erectus, The Lined Seahorse." Science Trends , no. : 1.

Preprint
Published: 29 April 2018
Reads 0
Downloads 0

Sexual maturation and reproduction influence the status of a number of physiological processes and consequently the ecology and behaviour of cephalopods. Using Octopus mimus as model species, the present study examined the changes in biochemical composition that take place during gonadal maturation of octopus females and its consequences in embryo and hatchlings characteristics, including energetic metabolites, digestive enzymes and antioxidant defence mechanisms. A total of 32 Octopus mimus adult females were sampled during ovarian maturation; biochemical composition (metabolites and digestive enzymes) of digestive gland (DG) and ovaries (only metabolites) were followed during physiological and functional maturation. Levels of protein (Prot), triacyl glycerol (TG), cholesterol (Chol), glucose (Glu) and glycogen (Gly) were evaluated. The activity of alkaline and acidic enzymes also was measured in DG. Simultaneously, groups of eggs coming from mature females were sampled along development, and metabolites (Prot, TG, Glu, Gly, TG, Chol), digestive enzymes activity (Lipases, alkaline and acidic), antioxidant defence mechanisms and radical oxygen species (ROS) were evaluated. This study shows that ovarium is a site for reserve of some nutrients for reproduction. Presumably, TG where stored at the beginning of the maturation processes followed by Chol, both at the same time were energetically supported by Glu, derived from Gly following gluconeogenic pathways. Nutrients and enzymes (metabolic, digestive and REDOX system) where maintained without significant changes and in a low activity during organogenesis. Our findings suggest that activity was not energetically costly; in contrast, during the embryo growth there was mobilization of nutrients and activation of the metabolic and digestive enzymes. Increments in consumption of yolk and glycogen, and reduction in molecules associated with oxidative stress allowed paralarvae to hatch with the antioxidant defence mechanisms ready to support ROS production.

ACS Style

Alberto Olivares; Gabriela Rodríguez-Fuentes; Maite Mascaró; Ariadna Sanchez; Karen Ortega; Claudia Caamal-Monsreal; Nelly Tremblay; Carlos Rosas. Sexual maturation and embryonic development in octopus: use of energy and antioxidant defence mechanisms using Octopus mimus as a model. 2018, 310664 .

AMA Style

Alberto Olivares, Gabriela Rodríguez-Fuentes, Maite Mascaró, Ariadna Sanchez, Karen Ortega, Claudia Caamal-Monsreal, Nelly Tremblay, Carlos Rosas. Sexual maturation and embryonic development in octopus: use of energy and antioxidant defence mechanisms using Octopus mimus as a model. . 2018; ():310664.

Chicago/Turabian Style

Alberto Olivares; Gabriela Rodríguez-Fuentes; Maite Mascaró; Ariadna Sanchez; Karen Ortega; Claudia Caamal-Monsreal; Nelly Tremblay; Carlos Rosas. 2018. "Sexual maturation and embryonic development in octopus: use of energy and antioxidant defence mechanisms using Octopus mimus as a model." , no. : 310664.

Preprint
Published: 03 April 2018
Reads 0
Downloads 0

Deciding sample-size is a key step in any study based on statistical inference. Recently, a pioneer methodology applicable in the multivariate context was proposed by Anderson & Santana-Garcon (2015, DOI: 10.1111/ele.12385). This method is based on estimating the dissimilarity-based multivariate standard error (MultSE) of different sample efforts by double resampling the original data. However, this method has two limitations: (1) it is not possible to observe the behavior of MultSE beyond the original effort; and (2) the estimates are no longer independent when the same sampling units are used. We put forward an alternative method that overcomes both. The procedure consists in simulate a data matrix that contains the ecological properties of the community. Then, sampling is repeatedly executed, so that the following is achieved: (1) estimation of independent MultSE for greater efforts than the original; and (2) estimation of sample-size at different scales. These advantages were evaluated using four study cases.

ACS Style

Edlin Guerra; Nuno Simões; Juan J Cruz-Motta; Maite Mascaró. An alternative protocol to estimate sample size at different spatial scales in studies of ecological communitie. 2018, 1 .

AMA Style

Edlin Guerra, Nuno Simões, Juan J Cruz-Motta, Maite Mascaró. An alternative protocol to estimate sample size at different spatial scales in studies of ecological communitie. . 2018; ():1.

Chicago/Turabian Style

Edlin Guerra; Nuno Simões; Juan J Cruz-Motta; Maite Mascaró. 2018. "An alternative protocol to estimate sample size at different spatial scales in studies of ecological communitie." , no. : 1.

Preprint
Published: 03 April 2018
Reads 0
Downloads 0

Deciding sample-size is a key step in any study based on statistical inference. Recently, a pioneer methodology applicable in the multivariate context was proposed by Anderson & Santana-Garcon (2015, DOI: 10.1111/ele.12385). This method is based on estimating the dissimilarity-based multivariate standard error (MultSE) of different sample efforts by double resampling the original data. However, this method has two limitations: (1) it is not possible to observe the behavior of MultSE beyond the original effort; and (2) the estimates are no longer independent when the same sampling units are used. We put forward an alternative method that overcomes both. The procedure consists in simulate a data matrix that contains the ecological properties of the community. Then, sampling is repeatedly executed, so that the following is achieved: (1) estimation of independent MultSE for greater efforts than the original; and (2) estimation of sample-size at different scales. These advantages were evaluated using four study cases.

ACS Style

Edlin Guerra; Nuno Simões; Juan J Cruz-Motta; Maite Mascaró. An alternative protocol to estimate sample size at different spatial scales in studies of ecological communitie. 2018, 1 .

AMA Style

Edlin Guerra, Nuno Simões, Juan J Cruz-Motta, Maite Mascaró. An alternative protocol to estimate sample size at different spatial scales in studies of ecological communitie. . 2018; ():1.

Chicago/Turabian Style

Edlin Guerra; Nuno Simões; Juan J Cruz-Motta; Maite Mascaró. 2018. "An alternative protocol to estimate sample size at different spatial scales in studies of ecological communitie." , no. : 1.

Cephalopod ecology and life cycles
Published: 23 August 2017 in Hydrobiologia
Reads 0
Downloads 0

The present study aimed to evaluate the health status of Octopus maya females on different days after spawning (days 0, 10, 20, 30, and 40). A total of 25 O. maya females were examined in terms of physiological (i.e., weight loss, hepatosomatic and gonadosomatic indexes, and hemocyanin, protein, glucose, cholesterol, and acylglycerides concentrations in plasma) and immunological variables (i.e., total hemocyte count, hemagglutination, and phenoloxidase activity). We hypothesized that O. maya females should maintain their physiological integrity throughout the post-spawning period until the hatching of the offspring. Results showed that the physiological and immunological indicators measured in post-spawning females significantly changed with time. Loss of body weight over time and a decrease in the hepatosomatic and gonadosomatic indexes were observed. Hemolymph components showed variations that reflect the consumption of reserves and coincide with an increased immune process of hemagglutination and phenoloxidase activity in hemocytes. Our results demonstrate that O. maya females are adapted to maintain an adequate state of health to care for their spawn despite the long period of starvation and contribute to the identification of the mechanisms involved in maintaining the integrity of these animals during one of the most critical phases of their life cycle.

ACS Style

Katina Roumbedakis; Maité Mascaró; Maurício L. Martins; Pedro Gallardo; Carlos Rosas; Cristina Pascual. Health status of post-spawning Octopus maya (Cephalopoda: Octopodidae) females from Yucatan Peninsula, Mexico. Hydrobiologia 2017, 808, 23 -34.

AMA Style

Katina Roumbedakis, Maité Mascaró, Maurício L. Martins, Pedro Gallardo, Carlos Rosas, Cristina Pascual. Health status of post-spawning Octopus maya (Cephalopoda: Octopodidae) females from Yucatan Peninsula, Mexico. Hydrobiologia. 2017; 808 (1):23-34.

Chicago/Turabian Style

Katina Roumbedakis; Maité Mascaró; Maurício L. Martins; Pedro Gallardo; Carlos Rosas; Cristina Pascual. 2017. "Health status of post-spawning Octopus maya (Cephalopoda: Octopodidae) females from Yucatan Peninsula, Mexico." Hydrobiologia 808, no. 1: 23-34.

Journal article
Published: 01 January 2017 in Ecological Indicators
Reads 0
Downloads 0
ACS Style

Ariadna Sanchez-García; Gabriela Rodríguez-Fuentes; Fernando Díaz; Clara E. Galindo-Sánchez; Karen Ortega; Maite Mascaró; Estefany López; Claudia Caamal-Monsreal; Oscar Juárez; Elsa Noreña-Barroso; Denisse Re; Carlos Rosas. Thermal sensitivity of O. maya embryos as a tool for monitoring the effects of environmental warming in the Southern of Gulf of Mexico. Ecological Indicators 2017, 72, 574 -585.

AMA Style

Ariadna Sanchez-García, Gabriela Rodríguez-Fuentes, Fernando Díaz, Clara E. Galindo-Sánchez, Karen Ortega, Maite Mascaró, Estefany López, Claudia Caamal-Monsreal, Oscar Juárez, Elsa Noreña-Barroso, Denisse Re, Carlos Rosas. Thermal sensitivity of O. maya embryos as a tool for monitoring the effects of environmental warming in the Southern of Gulf of Mexico. Ecological Indicators. 2017; 72 ():574-585.

Chicago/Turabian Style

Ariadna Sanchez-García; Gabriela Rodríguez-Fuentes; Fernando Díaz; Clara E. Galindo-Sánchez; Karen Ortega; Maite Mascaró; Estefany López; Claudia Caamal-Monsreal; Oscar Juárez; Elsa Noreña-Barroso; Denisse Re; Carlos Rosas. 2017. "Thermal sensitivity of O. maya embryos as a tool for monitoring the effects of environmental warming in the Southern of Gulf of Mexico." Ecological Indicators 72, no. : 574-585.

Journal article
Published: 18 July 2016 in Journal of Experimental Marine Biology and Ecology
Reads 0
Downloads 0

The seahorse Hippocampus erectus inhabits estuaries and coastal areas from southern Canada to northern Brazil, including the Yucatan Peninsula (YP), Mexico. Fish species living in thermally heterogeneous environments have developed physiological and behavioural adjustments that provide individuals with the phenotypic plasticity to respond to environmental changes within certain limits. When thermal changes exceed the ability of fish to adjust, energy supply is predominantly directed to fuel essential maintenance costs at the expense of growth and reproduction. In such circumstances, not only temperature, but also time of exposure, are elements that determine the adaptive value of phenotypic plasticity. The present study was designed to examine the consequences of acclimation of juvenile H. erectus to 18 and 30 °C on the phenotypic plasticity associated with exposure to acute thermal events (measured through the thermal limits) and chronic exposure during longer periods (measured through growth). Similar survival and growth was found in all seahorses that experienced acute exposure (~ 1 min) to temperatures ranging from 7 to 33 °C and 12 to 36 °C in both acclimation treatments, respectively. Chronic exposure to 30 °C compared to 18 °C, however, significantly reduced seahorse growth. A thermal tolerance polygon calculated as 302 °C2 suggests that H. erectus has a wide tolerance to the extreme conditions commonly present in estuarine environments. Given that the amplitude in the thermal tolerance polygon was mainly due to an increase in the lower limits of the interval and that no minimum temperature threshold could be determined, thus suggesting that the populations from YP are near their upper thermal limit.

ACS Style

M. Mascaró; M. Amaral-Ruiz; I. Huipe-Zamora; G. Martínez-Moreno; N. Simões; C. Rosas. Thermal tolerance and phenotypic plasticity in juvenile Hippocampus erectus Perry, 1810: Effect of acute and chronic exposure to contrasting temperatures. Journal of Experimental Marine Biology and Ecology 2016, 483, 112 -119.

AMA Style

M. Mascaró, M. Amaral-Ruiz, I. Huipe-Zamora, G. Martínez-Moreno, N. Simões, C. Rosas. Thermal tolerance and phenotypic plasticity in juvenile Hippocampus erectus Perry, 1810: Effect of acute and chronic exposure to contrasting temperatures. Journal of Experimental Marine Biology and Ecology. 2016; 483 ():112-119.

Chicago/Turabian Style

M. Mascaró; M. Amaral-Ruiz; I. Huipe-Zamora; G. Martínez-Moreno; N. Simões; C. Rosas. 2016. "Thermal tolerance and phenotypic plasticity in juvenile Hippocampus erectus Perry, 1810: Effect of acute and chronic exposure to contrasting temperatures." Journal of Experimental Marine Biology and Ecology 483, no. : 112-119.

Journal article
Published: 15 June 2016 in Journal of the World Aquaculture Society
Reads 0
Downloads 0
ACS Style

Natalia S. Calvo; Magaly Roldán-Luna; Jorge A. Argáez-Sosa; Gemma L. Martínez-Moreno; Maite Mascaro; Nuno Simoes. Reflected-light Influences the Coloration of the Peppermint Shrimp, Lysmata boggessi (Decapoda: Caridea). Journal of the World Aquaculture Society 2016, 47, 701 -711.

AMA Style

Natalia S. Calvo, Magaly Roldán-Luna, Jorge A. Argáez-Sosa, Gemma L. Martínez-Moreno, Maite Mascaro, Nuno Simoes. Reflected-light Influences the Coloration of the Peppermint Shrimp, Lysmata boggessi (Decapoda: Caridea). Journal of the World Aquaculture Society. 2016; 47 (5):701-711.

Chicago/Turabian Style

Natalia S. Calvo; Magaly Roldán-Luna; Jorge A. Argáez-Sosa; Gemma L. Martínez-Moreno; Maite Mascaro; Nuno Simoes. 2016. "Reflected-light Influences the Coloration of the Peppermint Shrimp, Lysmata boggessi (Decapoda: Caridea)." Journal of the World Aquaculture Society 47, no. 5: 701-711.

Journal article
Published: 27 April 2016 in Teaching Mathematics and its Applications
Reads 0
Downloads 0
ACS Style

Maite Mascaro; Ana Isabel Sacristán; Marta Rufino. For the love of statistics: appreciating and learning to apply experimental analysis and statistics through computer programming activities. Teaching Mathematics and its Applications 2016, 35, 74 -87.

AMA Style

Maite Mascaro, Ana Isabel Sacristán, Marta Rufino. For the love of statistics: appreciating and learning to apply experimental analysis and statistics through computer programming activities. Teaching Mathematics and its Applications. 2016; 35 (2):74-87.

Chicago/Turabian Style

Maite Mascaro; Ana Isabel Sacristán; Marta Rufino. 2016. "For the love of statistics: appreciating and learning to apply experimental analysis and statistics through computer programming activities." Teaching Mathematics and its Applications 35, no. 2: 74-87.

Research article
Published: 19 February 2016 in PLoS ONE
Reads 0
Downloads 0

Octopus maya is a major socio-economic resource from the Yucatán Peninsula in Mexico. In this study we report for the first time the chemical composition of the saliva of O. maya and its effect on natural prey, i.e. the blue crab (Callinectes sapidus), the crown conch snail (Melongena corona bispinosa), as well as conspecifics. Salivary posterior glands were collected from octopus caught by local fishers and extracted with water; this extract paralyzed and predigested crabs when it was injected into the third pereiopod. The water extract was fractionated by membrane ultrafiltration with a molecular weight cut-off of 3kDa leading to a metabolic phase (>3kDa) and a neurotoxic fraction (<3kDa). The neurotoxic fraction injected in the crabs caused paralysis and postural changes. Crabs recovered to their initial condition within two hours, which suggests that the effects of the neurotoxic fraction were reversible. The neurotoxic fraction was also active on O. maya conspecifics, partly paralyzing and sedating them; this suggests that octopus saliva might be used among conspecifics for defense and for reduction of competition. Bioguided separation of the neurotoxic fraction by chromatography led to a paralysis fraction and a relaxing fraction. The paralyzing activity of the saliva was exerted by amino acids, while the relaxing activity was due to the presence of serotonin. Prey-handling studies revealed that O. maya punctures the eye or arthrodial membrane when predating blue crabs and uses the radula to bore through crown conch shells; these differing strategies may help O. maya to reduce the time needed to handle its prey.

ACS Style

Dawrin Pech-Puch; Honorio Cruz-López; Cindy Canche-Ek; Gabriela Campos-Espinosa; Elpidio García; Maite Mascaro; Carlos Rosas; Daniel Chávez-Velasco; Sergio Rodríguez-Morales. Chemical Tools of Octopus maya during Crab Predation Are Also Active on Conspecifics. PLoS ONE 2016, 11, e0148922 .

AMA Style

Dawrin Pech-Puch, Honorio Cruz-López, Cindy Canche-Ek, Gabriela Campos-Espinosa, Elpidio García, Maite Mascaro, Carlos Rosas, Daniel Chávez-Velasco, Sergio Rodríguez-Morales. Chemical Tools of Octopus maya during Crab Predation Are Also Active on Conspecifics. PLoS ONE. 2016; 11 (2):e0148922.

Chicago/Turabian Style

Dawrin Pech-Puch; Honorio Cruz-López; Cindy Canche-Ek; Gabriela Campos-Espinosa; Elpidio García; Maite Mascaro; Carlos Rosas; Daniel Chávez-Velasco; Sergio Rodríguez-Morales. 2016. "Chemical Tools of Octopus maya during Crab Predation Are Also Active on Conspecifics." PLoS ONE 11, no. 2: e0148922.

Journal article
Published: 01 November 2015 in Aquaculture
Reads 0
Downloads 0
ACS Style

J.F. Tercero; C. Rosas; M. Mascaro; G. Poot; P. Domingues; E. Noreña; C. Caamal-Monsreal; C. Pascual; J. Estefanell; P. Gallardo. Effects of parental diets supplemented with different lipid sources on Octopus maya embryo and hatching quality. Aquaculture 2015, 448, 234 -242.

AMA Style

J.F. Tercero, C. Rosas, M. Mascaro, G. Poot, P. Domingues, E. Noreña, C. Caamal-Monsreal, C. Pascual, J. Estefanell, P. Gallardo. Effects of parental diets supplemented with different lipid sources on Octopus maya embryo and hatching quality. Aquaculture. 2015; 448 ():234-242.

Chicago/Turabian Style

J.F. Tercero; C. Rosas; M. Mascaro; G. Poot; P. Domingues; E. Noreña; C. Caamal-Monsreal; C. Pascual; J. Estefanell; P. Gallardo. 2015. "Effects of parental diets supplemented with different lipid sources on Octopus maya embryo and hatching quality." Aquaculture 448, no. : 234-242.

Journal article
Published: 01 October 2015 in Journal of Thermal Biology
Reads 0
Downloads 0

On the Yucatan Peninsula there is an upwelling which allows access to a body of cold water that controls temperature in this area. This modulates the ecology and distribution of organisms that inhabit the continental shelf. The objective of this study was to determine the effect of different acclimation temperatures on the thermal biology of prey as mollusc, crustacean (Melongena corona bispinosa, Strombus pugilis, Callinectes similis, Libinia dubia) and predators as fish (Ocyurus chrysurus, Centropomus undecimalis) of Octopus maya. Octopus prey preferred temperatures between 23.5 °C and 26.0 °C, while predators preferred temperatures 26.4–28.5 °C. The species with largest thermal windows were M. corona bispinosa (328.8 °C2), C. similis (322.8 °C2), L. dubia (319.2 °C2), C. undecimalis (288.6 °C2), O. chrysurus (237.5 °C2), while the smallest thermal window was for S. pugilis (202.0 °C2). The acclimation response ratios (ARR) estimated for prey ranged from 0.24–0.55 in animals exposed to CTMax and 0.21–0.65 in those exposed to CTMin. Amongst predators, ARR ranged from 0.30 to 0.60 and 0.41 to 0.53 for animals exposed to CTMax and CTMin, respectively. Correlating the optimal temperature limits of prey and predators with surface temperatures on the continental shelf and those 4 m deep showed that the main prey, Callinectes similis and L. dubia, shared a thermal niche and that an increase in temperature could force these species to migrate to other sites to find optimal temperatures for their physiological functions. As a consequence the continental shelf community would undergo a structural change. Predators were found to be near their optimal temperatures in surface temperatures on the continental shelf. We conclude that they would remain in the area in a warming scenario. The size of the thermal window was related to the type of ecosystem inhabited by these species. These ARR intervals allowed us to categorize the species as temperate or tropical, according to the oceanographic conditions that prevail on the Yucatan Peninsula.

ACS Style

Javier Noyola Regil; Maite Mascaro; Fernando Díaz; Ana Denisse Re; Adolfo Sánchez-Zamora; Claudia Caamal-Monsreal; Carlos Rosas. Thermal biology of prey (Melongena corona bispinosa, Strombus pugilis, Callinectes similis, Libinia dubia) and predators (Ocyurus chrysurus, Centropomus undecimalis) of Octopus maya from the Yucatan Peninsula. Journal of Thermal Biology 2015, 53, 151 -161.

AMA Style

Javier Noyola Regil, Maite Mascaro, Fernando Díaz, Ana Denisse Re, Adolfo Sánchez-Zamora, Claudia Caamal-Monsreal, Carlos Rosas. Thermal biology of prey (Melongena corona bispinosa, Strombus pugilis, Callinectes similis, Libinia dubia) and predators (Ocyurus chrysurus, Centropomus undecimalis) of Octopus maya from the Yucatan Peninsula. Journal of Thermal Biology. 2015; 53 ():151-161.

Chicago/Turabian Style

Javier Noyola Regil; Maite Mascaro; Fernando Díaz; Ana Denisse Re; Adolfo Sánchez-Zamora; Claudia Caamal-Monsreal; Carlos Rosas. 2015. "Thermal biology of prey (Melongena corona bispinosa, Strombus pugilis, Callinectes similis, Libinia dubia) and predators (Ocyurus chrysurus, Centropomus undecimalis) of Octopus maya from the Yucatan Peninsula." Journal of Thermal Biology 53, no. : 151-161.