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Título: Feeding styles of five species of bottom-feeding fishes of the high Paraná river
Autor(es): FUGI, R.; HAHN, N.S.; AGOSTINHO, A.A.
Palavras-chave [PT]:

Prochilodus lineatus. Steindachnerina insculpta. Loricariichthys platymetopon. Iheringichthys labrosus. Trachydoras paraguayensis. Dieta. Paraná, Rio. Brasil.

Prochilodus lineatus. Steindachnerina insculpta. Loricariichthys platymetopon. Iheringichthys labrosus. Trachydoras paraguayensis. Diet. Paraná River. Brazil.

Abstract: In this study the diets of five species of bottom-feeding fishes (Prochilodus lineatus, Steindachnerina insculpta, Loricariichthys platymetopon, Trachydoras paraguayensis and Iheringichthys labrosus) were analyzed. Samples were taken in the High Paraná River basin and its floodplain from August 1987 to July 1988 and in February, August and September 1991. The results demonstrated that P. lineatus and S. insculpta were ileophagous, L. platymetopon was detritivorous and I. labrosus and T. paraguayensis were benthophagous. The feeding activity was higher during the flood period for P. lineatus and in dry season for T. paraguayensis. P. lineatus and S. insculpta fed mainly during the day, while I. labrosus and T. paraguayensis during the day and dusk, respectively.

FUGI, Rosemara; HAHN, Norma Segatti; AGOSTINHO, Angelo Antonio. Feeding styles of five species of bottom-feeding fishes of the high Paraná river. Environmental Biology of Fishes, Dordrecht, v.46, no.3, p.297-307, 1996.

Received: 8 July 1994 Accepted: 25 July 1995

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