Full Professor, Pontifical Catholic University of Rio Grande do Sul, Porto Alegre, Brazil
B.S. Biological Sciences, Federal University of Rio Grande do Sul, Brazil
M.S. Zoology, Pontifical Catholic University of Rio Grande do Sul, Brazil (Advisor José Lima de Figueiredo)
Ph.D. Zoology, University of São Paulo, Brazil (Advisor Naércio A. Menezes)
Visiting Scientist, University of Michigan (Host William L. Fink)
Visiting Scientist, University of Central Florida (Host William G. R. Crampton)
I study Neotropical fish taxonomy and systematics with an emphasis on catfishes. I have researched and published on several catfish families like auchenipterids, aspredinids, callichthyids, doradids, heptapterids, and pimelodids, and also published on non-catfish families like anablepids, belonids, characids, cichlids, crenuchids, curimatids, poeciliids, and rivulids. However, my heart really belongs to the loricariids, or South American armored catfishes. Discovering and documenting biodiversity and revealing its phylogenetic relationships are the main goals of my work. For the phylogenetic studies, I...