Population and Feeding Structure of Steindachnerina Notonota Miranda
Acta Limnologica Brasiliensia, 2011, vol. 23, no. 3, p. 233-244 http://dx.doi.org/10.1590/S2179-975X2012005000003 Population and feeding structure of Steindachnerina notonota Miranda-Ribeiro, 1937 (Actinopterygii, Characiformes, Curimatidae) in Taperoá II dam, semi-arid region of Paraíba, Brazil Estrutura populacional e alimentar de Steindachnerina notonota Miranda Ribeiro, 1937 (Actinopterygii, Characiformes, Curimatidae) no Açude Taperoá II, na região do semi-árido da Paraíba, Brasil Ana Karla Araujo Montenegro1, Jane Enisa Ribeiro Torelli3, Maria Cristina Crispim3 and Ana Maria Alves Medeiros2 1, 2Programa de Pós-Graduação em Ciências Biológicas, Laboratório de Ecologia Aquática, Departamento de Sistemática e Ecologia, Centro de Ciências Exatas e da Natureza, Universidade Federal da Paraíba – UFPB, Cidade Universitária, Campus I, CEP 58059-900, João Pessoa, PB, Brazil e-mail: biokarla_21@hotmail.com; ana.maria.bio@gmail.com 3Laboratório de Ecologia Aquática, Departamento de Sistêmica e Ecologia, Centro de Ciências Exatas e da Natureza, Universidade Federal da Paraíba – UFPB, Cidade Universitária, Campus I, CEP 58059-900, João Pessoa, PB, Brazil e-mail: janetorelli@yahoo.com.br; ccrispim@hotmail.com e-mail: ana.maria.bio@gmail.com Abstract: Aim: The present study investigated population structure, weight-length relationships, sex ratio and associations between feeding activity and reproductive period, diet and alimentary regime of Steindachnerina notonota at Taperoá II dam, semi-arid region of Paraíba State. Methods: The region has the lowest pluviometric rates of Brazil. Fishes were collected during six sampling periods (October and December/2005, and March, June, August and October of 2006) encompassing two dry periods, and one rainy period. Cast, seine and gill nets were used to collect the individuals.
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