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Estrutura populacional do Camarão Sete-Barbas Xiphopenaeus kroyeri (Heller, 1862), na Foz do Rio Itajaí-Açú, Itajaí, SC, Brasil

1999; Instituto de Tecnologia do Paraná (Tecpar); Volume: 42; Issue: 1 Linguagem: Inglês

10.1590/s1516-89131999000100016

ISSN

1678-4324

Autores

Joaquim Olinto Branco, Maria José Lunardon-Branco, Flávio Xavier Souto, Cláudio Rogério Guerra,

Tópico(s)

Marine and fisheries research

Resumo

Xiphopenaeus kroyeri is the most exploited shrimp specie along Center-South coast of Santa Catarina State, Brazil, by artisanal fishery.In the period from March/1996 to February/1997, 3965 shrimps were collected (1843 males and 2122 females) sampled by over-trawl, with the depth oscillating between 5 and 15 meters.Xiphopenaeus kroyeri shows seasonal fluctuations in its abundance with higher rates in autumn.The population's average total-length varied between 7.5cm and 9.1cm, and the presence of juveniles was common along the year.The males and females get to the first gonadal maturation with 7.4 cm and 9.0 cm length, respectively; these lengths were reached within 6 and 8 months of age.

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