I completed my PhD in Biological Sciences (Biology-Genetics) at the University of São Paulo (USP) in 1991. I have worked at the Universidade Estadual Paulista Júlio de Mesquita Filho (UNESP) since 1989 and I am currently a Full Professor. I am also an Associate Researcher at the National Museum of Natural History, Smithsonian Institute. I am a reviewer of several foundations and scientific journals and Assistant Editor of Scientific Reports, Frontier in Genetics, Frontiers in Ecology and Evolution, Journal of Animal Diversity and Neotropical Ichthyology. I published more than 400 articles in specialized magazines, several book chapters and a book. I have participated in several undergraduate courses in the area of Cellular and Molecular Biology and in graduate programs in the areas of Genetics and Zoology. I have been working with fish for the past 35 years, conducting research in various fields such as: cytogenetics (chromosomes), population genetics, systematics, taxonomy, biogeography, ecology and evolutionary biology. The main focus of my research is the biodiversity of fish in the Neotropical region and, for that, I have worked with many friends around the world to investigate this biodiversity and mainly to study about its origin and maintenance. (Source: Lattes Curriculum)
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Ostariophysi is one of the largest fish superorders, formed almost exclusively by freshwater species, with about 95 families, about 1,500 genera and 11,000 species, thus containing approximately 30% of the known fish species in the world and almost 70 % of freshwater species. Ostariophysi are present all over the world, except in Antarctica, where only fossils are known. Despite the great…
The inventory and description of the biodiversity of marine fish are important steps towards fulfilling international commitments assumed by Brazil, as the first signatory to the Convention on Biological Diversity, during the United Nations Conference on Environment and Development and a strategic issue considering that the unsatisfactory knowledge of the taxonomy of marine and estuarine …
Geographical barriers greatly influence the genetic isolation of some marine species, but the transposition of these barriers by some fish may occur, so that there is no change in the gene flow of the species. The estuarine environments may be related to the isolation of populations due, among other factors, to the stress of the salinity variation inherent to the estuaries, including for …
The knowledge of the marine species diversity is relatively complete in some regions of the world, especially regarding to families with the greatest commercial interest. However, important knowledge gaps still exist, especially in less studied areas, such as some areas of the Brazilian coast. Moreover, few molecular studies are addressing the diversity of coastal fish on the coast of Bra…
The order Characiformes, one of the largest components of the freshwater fish fauna in the world, with over 2000 known species, is one of the least studied groups in the systematic point of view. Within this order is the Characidae family, one of the largest families of fish, with more than 1000 species. The species of this order always have great ecological and economic importance in the…
(Only some records are available in English at this moment)
Brazil holds the greatest biological diversity on the planet, accounting for 10% to 20% of the total number of species in the world. Much of this diversity is distributed in terrestrial biomes, but very little is known about the areas of endemism of marine biodiversity in Brazil. The Carangidae family consists of about 150 species, belonging to 30 genera, distributed in the Atlantic, Indi…
Taxonomy is the discipline within biology responsible for the study of the diversity of organisms. Thus, the central priority in taxonomy research is the discovery and delimitation of species, which is the process of identifying and delineating distinct organic entities in nature. The rigor in the delimitation can be increased when complementary data of a different nature are used, such a…
Ostariophysi is one of the largest fish superorders, formed almost exclusively by freshwater species, with about 95 families, about 1,500 genera and 11,000 species, thus containing approximately 30% of the known fish species in the world and almost 70 % of freshwater species. Ostariophysi are present all over the world, except in Antarctica, where only fossils are known. Despite the great…
(Only some records are available in English at this moment)
Within the order Siluriformes, Loricariidae is a family composed of about 1,000 species and six subfamilies: Hypostominae, Loricariinae, Hypoptopomatinae, Delturinae, Rhinelepinae, Lithogeninae. Within the Hypoptopomatinae there are 19 genera and 139 species, including the genus Hisonotus with 33 valid species. Hisonotus depressicauda apparently represents a complex of species, and popula…
The members of Parotocinclus are widely distributed through South America, from Andes in Venezuela to southeastern of Brazil, being one of the most specious genus of the subfamily Hypoptopomatinae, actually with about 30 valid species. The species of the genus are primarily herbivorous and lives from small to large rivers, always associated with marginal vegetation. Since the works of Eig…
Overfishing imposes changes in the life strategy of organisms, especially elasmobranchs (sharks and rays). Thus, understanding the structure of populations becomes an important tool for conservation and management of stocks, which requires a broad knowledge on genetic, biogeographic, distribution and occurrence of species. The identification of stocks genetically differentiated and adapte…
(Only some records are available in English at this moment)
Siluriformes represents on of the most diverse vertebrate groups on our planet, with 4019 valid species and 500 genera assigned to 39 families. They occupy a wide variety of freshwater ecosystems and are distributed all continents. Systematists recognize three major clades within Siluriformes, the neotropical Loricarioidei and Diplomistoidei and the globally distributed clade Siluroidei, …
Neotropical freshwater fishes exhibit high diversity, and their evolutionary diversification is closely related to the geomorphological history of the heterogeneous watersheds in which they inhabit. Erythrinidae is a widely distributed family of Neotropical freshwater fishes, occurring in lentic and lotic habitats in most drainages of Central and South America, from Costa Rica to Argentin…
Characinae is one of the most species rich subfamilies of Characidae, and its members occur widely throughout South and Central America. They are small to medium sized fish, with the largest specimens not exceeding 240 mm in standard length. Most members of the group exhibit a deep anterior body with a characteristic gibbosity, though this is absent in Phenacogaster and Acestrocephalus. T…
Characiformes is one of the largest teleost assemblages with over 2000 valid species of characins, piranhas, tigerfish, tetras and relatives. They occupy a wide variety of freshwater ecosystems across immense regions in both tropical African and American continents. Four families and roughly 230 species inhabit Africa, from Nile valley to tropical sub-Saharan basins, whereas 20 families a…
(Only some records are available in English at this moment)
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| 106 / 73 | All research grants and scholarships |
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