ntroduction Felipe Polivanov Ottoni currently works at Federal University of Maranhão. Felipe does research in Genetics, Systematics (Taxonomy), biogeography, species delimitaion and ecology of fishes. His main current projects are 'Total evidence phylogeny and species delimitation of the clade Laetacara + Rondonacara (Teleostei: Cichlidae)'; "Diversity and distribution of species of Australoheros (Cichlidae: Heroini)"; "Biodiversity estimates, taxonomy, systematics, biogeography, genetic, ecology and conservation of brackish and freshwater fishes from the ecorregion Maranhão/Piauí"; "Phylogeny and taxonomy of Neotropical cichlids". He is subject editor of the following journals: Zookeys, Zoological studies, Checklist, Biodiversity data journal, Biota Neotropica, and European Journal of Taxonomy. Disciplines GeneticsSystematics (Taxonomy)Zoology Skills and expertise IchthyologySystematicsBiodiversityDistributionFish BiologyConservationInvasive SpeciesConservation BiologyEvolutionEcology and EvolutionSpecies DiversityPhylogenetic AnalysisPhylogeneticsNatural HistoryNomenclatureIchtyologyGeneticsspecies delimitationBiogeographyZoologyvertebrate zoologyDNA Barcodingcryptic speciesSpecies Inventories Languages PortugueseEnglishSpanish