Feeding ecology of Pachyurus bonariensis Steindachner, 1879 (Sciaenidae: Perciformes) in the Ibicuí River, Southern Brazil: ontogenetic, seasonal and spatial variations

• Published in: Brazilian journal of biology Vol. 70; no. 3; pp. 503 - 509
• Main Authors: Lima, D O, Behr, E R
• Format: Journal Article
• Language: English
• Published: Brazil Instituto Internacional de Ecologia 01.08.2010
• Subjects: Animals; Annelida; BIOLOGY; Brazil; Coleoptera; Decapoda; Diptera; Ephemeroptera; Feeding Behavior - physiology; Freshwater; Gastrointestinal Contents; Marine; Mollusca; Odonata; Perciformes; Perciformes - physiology; Rivers; Sciaenidae; Seasons; Trichoptera; Brazil; Brazil, Rio Grande do Sul, Ibicui R; Brazil, Rio Grande do Sul; atividade alimentar; ecologia trófica; diet composition; insetos; trophic ecology; composição da dieta; insects; peixes; feeding activity; fishes

Knowledge of the feeding ecology of fish is essential for understanding the functioning of freshwater communities. Here we report on an analysis of the diet of Pachyurus bonariensis Steindachner, 1879, a freshwater sciaenid. Fish were collected bimonthly from December 1999 to January 2002 at three l...