This page has only limited features, please log in for full access.
Steindachneridion melanodermatum, an endemic and endangered species, is the largest catfish in the Lower Iguaçu River basin. Currently, the wild population of this species no longer exists in most of this basin, probably due to the loss of habitat by successive hydroelectric dams. This study evaluated the spatial distribution and abundance of S. melanodermatum in the last free-flowing river stretch of approximately 190 km downstream from the Salto Caxias Dam, upstream of the Iguaçu Falls, as well as some tributaries. Hydroacoustic and fishing campaigns were performed between September 2010 to December 2016 to characterize the preferred habitat. A total of 180 specimens was sampled with higher abundances in a protected area near Iguaçu Falls in the Iguaçu National Park. Twenty-four deep pools were identified with maximum depths ranging from 5 to 25 m: 21 pools were along the main channel of the Iguaçu River, and three pools were in tributaries. Deep pools are preferential habitats for this species, especially the deep pool called Poço Preto (P23) and its surroundings. Conservation strategies are required to protect these habitats and prevent S. melanodermatum from becoming extinct, such as establishing deep pools as ecological sanctuaries, intensifying the inspection of illegal fishing, and maintaining dam-free tributaries.
Lucileine Assumpção; Maristela Makrakis; Jhony Silva; Karane Moraes; Suelen Pini; Patrícia Silva; Elaine Kashiwaqui; Eduardo Gentil; Lenice Souza-Shibatta; Oscar Shibatta; Sergio Makrakis. Deep Pools: Ecological Sanctuaries for Steindachneridion melanodermatum, a Large Endemic and Endangered Pimelodid of the Iguaçu River. Water 2021, 13, 1700 .
AMA StyleLucileine Assumpção, Maristela Makrakis, Jhony Silva, Karane Moraes, Suelen Pini, Patrícia Silva, Elaine Kashiwaqui, Eduardo Gentil, Lenice Souza-Shibatta, Oscar Shibatta, Sergio Makrakis. Deep Pools: Ecological Sanctuaries for Steindachneridion melanodermatum, a Large Endemic and Endangered Pimelodid of the Iguaçu River. Water. 2021; 13 (12):1700.
Chicago/Turabian StyleLucileine Assumpção; Maristela Makrakis; Jhony Silva; Karane Moraes; Suelen Pini; Patrícia Silva; Elaine Kashiwaqui; Eduardo Gentil; Lenice Souza-Shibatta; Oscar Shibatta; Sergio Makrakis. 2021. "Deep Pools: Ecological Sanctuaries for Steindachneridion melanodermatum, a Large Endemic and Endangered Pimelodid of the Iguaçu River." Water 13, no. 12: 1700.
The population structure and reproductive biology of the surubim of Iguaçu, Steindachneridion melanodermatum, a large endemic and endangered catfish from Iguaçu River basin, were evaluated. In total, 182 specimens of this species were sampled from September 2010 to December 2016 in the Lower Iguaçu River, including some tributaries. The determination of the cycle and reproductive period was undertaken by assessing the mean variation in the values of the gonadosomatic index (GSI) of females and males, as well as by the frequency distribution of the stages of gonadal development on the basis of macroscopic and microscopic analyses. The total length and bodyweight ranged from 21 to 102cm and from 82.8 to 15670g respectively. The reproductive period of this species was from June to September (winter and early spring), and may extend until November, with GSI peaking in August for males and September for females. The size at first maturation (L50) corresponded to 39.5cm for females and 43.9cm for males. Spawning in this species was associated with lower water temperatures, and high discharge and dissolved oxygen concentration. Our findings are crucial in assisting the development of effective measures and specific criteria for the conservation of this endangered species.
Lucileine De Assumpção; Luís Fernando Fávaro; Sergio Makrakis; Patrícia Sarai Da Silva; Suelen Fernanda Ranucci Pini; Elaine Antoniassi Luiz Kashiwaqui; Maristela Cavicchioli Makrakis. Population structure and reproduction of Steindachneridion melanodermatum (Siluriformes: Pimelodidae), a large catfish endemic to Neotropical ecoregion. Marine and Freshwater Research 2021, 1 .
AMA StyleLucileine De Assumpção, Luís Fernando Fávaro, Sergio Makrakis, Patrícia Sarai Da Silva, Suelen Fernanda Ranucci Pini, Elaine Antoniassi Luiz Kashiwaqui, Maristela Cavicchioli Makrakis. Population structure and reproduction of Steindachneridion melanodermatum (Siluriformes: Pimelodidae), a large catfish endemic to Neotropical ecoregion. Marine and Freshwater Research. 2021; ():1.
Chicago/Turabian StyleLucileine De Assumpção; Luís Fernando Fávaro; Sergio Makrakis; Patrícia Sarai Da Silva; Suelen Fernanda Ranucci Pini; Elaine Antoniassi Luiz Kashiwaqui; Maristela Cavicchioli Makrakis. 2021. "Population structure and reproduction of Steindachneridion melanodermatum (Siluriformes: Pimelodidae), a large catfish endemic to Neotropical ecoregion." Marine and Freshwater Research , no. : 1.
The seasonal pattern and the composition of downstream drift of fish eggs and larvae through the fish ladder of the Porto Primavera dam, located in the Upper Paraná River, Brazil, were studied. Additionally, the condition of individual larvae with regard to injuries was examined. Samples were collected monthly over three reproductive seasons at upper and lower pools at the twilight (nightfall and dawn). Ichthyoplankton densities were low, especially for eggs, and the downstream passage of fish eggs and larvae through the fish ladder was negatively correlated to water residence time of the reservoir. Highest larvae densities occurred between December and March, with highest densities in February. The ichthyoplankton abundance was similar between sites and times of day, with the predominance of partially damaged larvae (60%). Seventeen taxa were identified, especially non-migratory species. Long-distance migratory species represented less than 1% of the total. Since many migratory species have found favorable habitats for spawning and development in the tributaries of Porto Primavera Reservoir, the dispersion of larvae from these free-flowing tributaries located far from dam through reservoir may not be beneficial for their survival. At the same time, despite the low density and diversity of migratory species larvae drifting downstream from the dam, this fish ladder may have dispersive potential as long as the reservoir displays a shorter water residence time.
Patricia Sarai Da Silva; Leandro Fernandes Celestino; Lucileine De Assumpção; Sergio Makrakis; João Henrique Pinheiro Dias; Elaine Antoniassi Luiz Kashiwaqui; Maristela Cavicchioli Makrakis. Ichthyoplankton drift through fishway in large dam: effect of hydrology, seasonal patterns and larvae condition. Journal of Ecohydraulics 2020, 5, 165 -174.
AMA StylePatricia Sarai Da Silva, Leandro Fernandes Celestino, Lucileine De Assumpção, Sergio Makrakis, João Henrique Pinheiro Dias, Elaine Antoniassi Luiz Kashiwaqui, Maristela Cavicchioli Makrakis. Ichthyoplankton drift through fishway in large dam: effect of hydrology, seasonal patterns and larvae condition. Journal of Ecohydraulics. 2020; 5 (2):165-174.
Chicago/Turabian StylePatricia Sarai Da Silva; Leandro Fernandes Celestino; Lucileine De Assumpção; Sergio Makrakis; João Henrique Pinheiro Dias; Elaine Antoniassi Luiz Kashiwaqui; Maristela Cavicchioli Makrakis. 2020. "Ichthyoplankton drift through fishway in large dam: effect of hydrology, seasonal patterns and larvae condition." Journal of Ecohydraulics 5, no. 2: 165-174.
Ariane F. De Lima; Maristela C. Makrakis; Michele De F. Gimenes; Sergio Makrakis; Patrícia S. Da Silva; Lucileine De Assumpção. Mudanças morfológicas no trato digestório e composição da dieta de larvas e juvenis do linguado catathyridium jenynsii no reservatório de Itaipu, rio Paraná, Brasil. Iheringia. Série Zoologia 2013, 103, 214 -221.
AMA StyleAriane F. De Lima, Maristela C. Makrakis, Michele De F. Gimenes, Sergio Makrakis, Patrícia S. Da Silva, Lucileine De Assumpção. Mudanças morfológicas no trato digestório e composição da dieta de larvas e juvenis do linguado catathyridium jenynsii no reservatório de Itaipu, rio Paraná, Brasil. Iheringia. Série Zoologia. 2013; 103 (3):214-221.
Chicago/Turabian StyleAriane F. De Lima; Maristela C. Makrakis; Michele De F. Gimenes; Sergio Makrakis; Patrícia S. Da Silva; Lucileine De Assumpção. 2013. "Mudanças morfológicas no trato digestório e composição da dieta de larvas e juvenis do linguado catathyridium jenynsii no reservatório de Itaipu, rio Paraná, Brasil." Iheringia. Série Zoologia 103, no. 3: 214-221.
This study characterized the morphological differences among migratory fish species from the Paraná River Basin. A total of 177 adult fish of Leporinus elongatus, Leporinus macrocephalus, Prochilodus lineatus, Salminus brasiliensis, Pimelodus maculatus, Pinirampus pirinampu, Pseudoplatystoma corruscans, Pterodoras granulosus, and Rhaphiodon vulpinus were sampled in the Canal da Piracema, a fish passage system at Itaipu Dam, Paraná River. The migratory species were analyzed through 22 morphometric measurements and fineness ratio to identify morphological patterns related to swimming performance. Four species groups were indicated by the Cluster analysis: I) R. vulpinus; II) P. corruscans; III) L. macrocephalus, L. elongatus, P. lineatus, P. maculatus, and S. brasiliensis - measurements of head height and anal fin length formed this group; and IV) P. granulosus and P. pirinampu - measurements of maximum body width and caudal peduncle width contributed to form this group. The morphometric variables that most contributed to the distinction were head length and mouth width for groups I and II. The species R. vulpinus and P. granulosus differed from other species, showing fineness ratios of 9.4 and 3.7, respectively. Leporinus elongatus, L. macrocephalus, P. lineatus, P. maculatus, and S. brasiliensis showed significant differences from other species, with ratios ranging from 4.57 to 5.19, indicating that these species may be better swimmers. Long-distance migratory species using the Piracema Canal to ascend upstream areas differed morphologically, morphological characteristics such as a narrow caudal peduncle and maximum body length, besides to the values of the fineness ratio, were essential to differentiate the migratory species.
Lucileine De Assumpção; Maristela Cavicchioli Makrakis; Sergio Makrakis; Pitágoras Augusto Piana; Patrícia Sarai Da Silva; Ariane Furtado De Lima; Domingo Rodriguez Fernandez. Morphological differentiation among migratory fish species from the Paraná River basin. Biota Neotropica 2012, 12, 41 -49.
AMA StyleLucileine De Assumpção, Maristela Cavicchioli Makrakis, Sergio Makrakis, Pitágoras Augusto Piana, Patrícia Sarai Da Silva, Ariane Furtado De Lima, Domingo Rodriguez Fernandez. Morphological differentiation among migratory fish species from the Paraná River basin. Biota Neotropica. 2012; 12 (4):41-49.
Chicago/Turabian StyleLucileine De Assumpção; Maristela Cavicchioli Makrakis; Sergio Makrakis; Pitágoras Augusto Piana; Patrícia Sarai Da Silva; Ariane Furtado De Lima; Domingo Rodriguez Fernandez. 2012. "Morphological differentiation among migratory fish species from the Paraná River basin." Biota Neotropica 12, no. 4: 41-49.
This study investigated the external body morphology (based on morphometric data) and the swimming efficiency in fish passages (based on the ascent time in a fish ladder) of two Neotropical long-distance migratory species. The fish were collected in the fish ladder of the Porto Primavera Hydroelectric Power Plant (known as Engenheiro Sergio Motta), upper Paraná River, Brazil. The species differ in several morphometric ratios related to swimming performance. Prochilodus lineatus exhibited a higher muscle ratio and caudal fin length ratio. However, Leporinus elongatus showed higher values for the fineness ratio, a higher length from snout to pectoral fin base ratio, and a higher caudal peduncle depth factor. Although both species show good swimming performance, the characteristics listed above may enable L. elongatus to apply greater power and propulsion, allowing it to reach a high swimming speed and to exhibit greater efficiency than P. lineatus. Leporinus elongatus moves faster than P. lineatus and has a lower mean ascent time (1.39 hours) than P. lineatus (3.76 hours). Prochilodus lineatus would require a somewhat longer time to pass through the fish ladder.
Lucileine De Assumpção; Maristela Makrakis; Sergio Makrakis; Ricardo Luiz Wagner; Patrícia Sarai Da Silva; Ariane Furtado De Lima; Elaine Antoniassi Luiz Kashiwaqui. The use of morphometric analysis to predict the swimming efficiency of two Neotropical long-distance migratory species in fish passage. Neotropical Ichthyology 2012, 10, 797 -804.
AMA StyleLucileine De Assumpção, Maristela Makrakis, Sergio Makrakis, Ricardo Luiz Wagner, Patrícia Sarai Da Silva, Ariane Furtado De Lima, Elaine Antoniassi Luiz Kashiwaqui. The use of morphometric analysis to predict the swimming efficiency of two Neotropical long-distance migratory species in fish passage. Neotropical Ichthyology. 2012; 10 (4):797-804.
Chicago/Turabian StyleLucileine De Assumpção; Maristela Makrakis; Sergio Makrakis; Ricardo Luiz Wagner; Patrícia Sarai Da Silva; Ariane Furtado De Lima; Elaine Antoniassi Luiz Kashiwaqui. 2012. "The use of morphometric analysis to predict the swimming efficiency of two Neotropical long-distance migratory species in fish passage." Neotropical Ichthyology 10, no. 4: 797-804.
Patrícia Sarai Da Silva; Lucileine De Assumpção; Ariane Furtado De Lima; Maristela Cavicchioli Makrakis; Sergio Makrakis; João Henrique Pinheiro Dias. DISTRIBUIÇÃO ESPACIAL E TEMPORAL DE OVOS E LARVAS DE PEIXES NO RIO AGUAPEÍ SP, ALTO RIO PARANÁ. Periódico Eletrônico Fórum Ambiental da Alta Paulista 2011, 7, 1 .
AMA StylePatrícia Sarai Da Silva, Lucileine De Assumpção, Ariane Furtado De Lima, Maristela Cavicchioli Makrakis, Sergio Makrakis, João Henrique Pinheiro Dias. DISTRIBUIÇÃO ESPACIAL E TEMPORAL DE OVOS E LARVAS DE PEIXES NO RIO AGUAPEÍ SP, ALTO RIO PARANÁ. Periódico Eletrônico Fórum Ambiental da Alta Paulista. 2011; 7 (3):1.
Chicago/Turabian StylePatrícia Sarai Da Silva; Lucileine De Assumpção; Ariane Furtado De Lima; Maristela Cavicchioli Makrakis; Sergio Makrakis; João Henrique Pinheiro Dias. 2011. "DISTRIBUIÇÃO ESPACIAL E TEMPORAL DE OVOS E LARVAS DE PEIXES NO RIO AGUAPEÍ SP, ALTO RIO PARANÁ." Periódico Eletrônico Fórum Ambiental da Alta Paulista 7, no. 3: 1.