A remarkable sand-dwelling fish assemblage from central Amazonia, with comments on the evolution of psammophily in South American freshwater fishes

• Published in: Neotropical Ichthyology Vol. 4; no. 1; pp. 107 - 118
• Main Authors: Zuanon, Jansen(Instituto Nacional de Pesquisas da Amazônia CPBA), Bockmann, Flávio A.(Universidade de São Paulo FFCLRP Departamento de Biologia), Sazima, Ivan(Universidade Estadual de Campinas Departamento de Zoologia and Museu de História Natural)
• Format: Journal Article
• Language: English
• Published: Sociedade Brasileira de Ictiologia 01.01.2006
• Subjects: drift-trap net; feeding behaviour; fish diversity; forest streams; Freshwater; phylogeny

We studied a specialised assemblage of sand-dwelling fish species from a streamlet in central Amazonia. The five sanddwelling species comprised 15.2 % of the total number in the streamlet (33 species). Two of the sand-dwellers are daytime foragers, Characidium cf. pteroides (Crenuchidae) and Staurog...