Roberto Esser dos Reis, Brazil

Brazil

Brazil , officially the Federative Republic of Brazil , is the largest country in South America. It is the world's fifth largest country, both by geographical area and by population with over 192 million people...

ian D.Sc.

Doctor of Science

Doctor of Science , usually abbreviated Sc.D., D.Sc., S.D. or Dr.Sc., is an academic research degree awarded in a number of countries throughout the world. In some countries Doctor of Science is the name used for the standard doctorate in the sciences, elsewhere the Sc.D...

 and ichthyologist

Ichthyology

Ichthyology is the branch of zoology devoted to the study of fish. This includes skeletal fish , cartilaginous fish , and jawless fish...

. Among other duties, doctor

Doctor (title)

Doctor, as a title, originates from the Latin word of the same spelling and meaning. The word is originally an agentive noun of the Latin verb docēre . It has been used as an honored academic title for over a millennium in Europe, where it dates back to the rise of the university. This use spread...

 dos Reis has been working at the University of São Paulo

University of São Paulo

Universidade de São Paulo is a public university in the Brazilian state of São Paulo. It is the largest Brazilian university and one of the country's most prestigious...

, Brazil, and the University of Michigan

University of Michigan

The University of Michigan is a public research university located in Ann Arbor, Michigan in the United States. It is the state's oldest university and the flagship campus of the University of Michigan...

, Ann Arbor

Ann Arbor, Michigan

Ann Arbor is a city in the U.S. state of Michigan and the county seat of Washtenaw County. The 2010 census places the population at 113,934, making it the sixth largest city in Michigan. The Ann Arbor Metropolitan Statistical Area had a population of 344,791 as of 2010...

, USA

United States

The United States of America is a federal constitutional republic comprising fifty states and a federal district...

. Most of his research as an ichtyologist regards different types of South America

South America

South America is a continent situated in the Western Hemisphere, mostly in the Southern Hemisphere, with a relatively small portion in the Northern Hemisphere. The continent is also considered a subcontinent of the Americas. It is bordered on the west by the Pacific Ocean and on the north and east...

n catfish

Catfish

Catfishes are a diverse group of ray-finned fish. Named for their prominent barbels, which resemble a cat's whiskers, catfish range in size and behavior from the heaviest and longest, the Mekong giant catfish from Southeast Asia and the second longest, the wels catfish of Eurasia, to detritivores...

; for instance, he is the author

Author

An author is broadly defined as "the person who originates or gives existence to anything" and that authorship determines responsibility for what is created. Narrowly defined, an author is the originator of any written work.-Legal significance:...

 of the species

Species

In biology, a species is one of the basic units of biological classification and a taxonomic rank. A species is often defined as a group of organisms capable of interbreeding and producing fertile offspring. While in many cases this definition is adequate, more precise or differing measures are...

 Otocinclus cocama, Reis 2004. He is also a member of the Freshwater Fish Specialist Group, Species Survival Commission, and advises the IUCN

World Conservation Union

The International Union for Conservation of Nature and Natural Resources is an international organization dedicated to finding "pragmatic solutions to our most pressing environment and development challenges." The organization publishes the IUCN Red List, compiling information from a network of...

 on the biological

Biology

Biology is a natural science concerned with the study of life and living organisms, including their structure, function, growth, origin, evolution, distribution, and taxonomy. Biology is a vast subject containing many subdivisions, topics, and disciplines...

 aspects of the conservation

Conservation biology

Conservation biology is the scientific study of the nature and status of Earth's biodiversity with the aim of protecting species, their habitats, and ecosystems from excessive rates of extinction...

 of threatened species

Threatened species

Threatened species are any speciesg animals, plants, fungi, etc.) which are vulnerable to endangerment in the near future.The World Conservation Union is the foremost authority on threatened species, and treats threatened species not as a single category, but as a group of three categories,...

.

Dr. Reis is an author of over 50 original journal papers, 14 book chapters, and four books. Dr. Reis is Curator of Fishes at the Pontificia Universidade Católica do Rio Grande do Sul, Chief Editor of the Checklist of Freshwater Fishes from Central and South America (CLOFFSCA), and past President of the Brazilian Ichthyological Society. Dr. Reis is an authority on the systematics and biodiversity of Neotropical catfishes and has to date with colleagues described 63 species.