<b>Natural feeding of <em>Serrasalmus spilopleura</em> KNER, 1860 (<em>Pisces, Serrasalmidae</em>) from <em>Extremoz</em> Lake, in <em>Rio Grande do Norte</em>, Brazil</b> - DOI: 10.4025/actascianimsci.v25i2.2003

  • Ricardo de Meiroz Grilo Raposo UFRN
  • Hélio de Castro Bezerra Gurgel UFRN
DOI: https://doi.org/10.4025/actascianimsci.v25i2.2003

Abstract

The present paper aims to study feeding aspects of Serrasalmus spilopleura (Kner, 1860) from Extremoz Lake (5º 42’76”S and 35º17’69”W), Rio Grande do Norte state, Brazil, in the period from July/1998 to April/1999 connecting lunar cycle to the seasons of the year. 337 specimens were collected in each phase of the moon, being used five ambush nets which varied from 2,0 to 5,0 centimeters with knots in four different points and catchings of five hours, times (17h00 - 22h00). The species showed feeding activity during the study period, independently of the season of the year and the phase of the moon, with small variations in the alimentary items. Insects appeared as principal food characterizing the species as carnivorous with tendency to insectivorous.

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Author Biography

Hélio de Castro Bezerra Gurgel, UFRN
possui graduação em Ciências Biológicas pela Universidade Federal do Rio Grande do Norte (1975), mestrado em Zoologia pela Universidade Federal do Paraná (1979) e doutorado em Ecologia e Recursos Naturais pela Universidade Federal de São Carlos (1992). Atualmente é professor adjunto iv da Universidade Federal do Rio Grande do Norte. Tem experiência na área de Zoologia, com ênfase em Ictiologia, atuando principalmente nos seguintes temas: peixe, rio ceara-mirim, estrutura populacional, reprodução e alimentação Currículo Lattes
Published
2008-04-16
How to Cite
Raposo, R. de M. G., & Gurgel, H. de C. B. (2008). <b>Natural feeding of <em>Serrasalmus spilopleura</em> KNER, 1860 (<em>Pisces, Serrasalmidae</em>) from <em>Extremoz</em> Lake, in <em>Rio Grande do Norte</em>, Brazil</b&gt; - DOI: 10.4025/actascianimsci.v25i2.2003. Acta Scientiarum. Animal Sciences, 25(2), 267-272. https://doi.org/10.4025/actascianimsci.v25i2.2003
Issue
Vol 25 No 2 (2003)
Section
Animal Science

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