Distribuição de peixes na microbacia do Ribeirão Grande, Serra da Mantiqueira Oriental, São Paulo, Brasil

Abstract

ABSTRACT. Fish distribution in the Ribeirão (April 2002). Conductivity, pH, water temperature and dissolved oxygen were measured for each site, and elevations in meters were taken by a GPS receiver. The spatial dimension was the main source of variability in the fish distribution in the Ribeirão Grande system. A total of 37 species were caught and the ten most abundant species correspond almost 90% of the total catch. Pareiorhina rudolphi was caught principally in the slope; Characidium lauroi, Trichomycterus…