Most of his research as an ichtyologist regards different types of South American catfish; for instance, he is the author of the species Otocinclus cocama, Reis 2004.
DOS | MS-DOS | Roberto Cavalli | John Dos Passos | Roberto Rossellini | Roberto Carlos | Roberto Durán | Roberto Clemente | Roberto Bolaño | Roberto Faenza | Roberto Calvi | Roberto Matta | Roberto Alagna | São José dos Campos | Roberto Carlos (singer) | Roberto Mancini | Roberto Carlos (footballer) | Roberto Baggio | Campos dos Goytacazes | Turgut Reis | Roberto Moreno | Roberto Longhi | Roberto Formigoni | Roberto Di Matteo | Roberto De Vicenzo | Roberto D'Alimonte | Roberto Benigni | :it:Roberto D'Alimonte | Agustín Roberto Radrizzani | Roberto Valera |