Seasonal variation on the catch of squids (.Doryteuthis plei Blainville, 1823) in the southeastern region of Brazil, employing light attraction and sliding net

Ricardo Thadeu Barros Grassi; Ricardo Amaro dos Santos; Roberto Willian von Seckendorff; José Mandelli Júnior; Jaime José Casari da Camara; Elmar Cardozo Campos

Seasonal variation on the catch of squids (.Doryteuthis plei Blainville, 1823) in the southeastern region of Brazil, employing light attraction and sliding net | Variação sazonal na captura de lula (Doryteuthis piei Blainville, 1823) no sudeste do Brasil, utilizando atração luminosa e rede corrediça

1990

At the Maritime Fishery Division of the Fishery Institute of the São Paulo State Secretaria da Agricultura, Brazil, from 1981 to 1985, it was verified, between the latitudes 23° 11'S and 27° 17'S, till 50 miles off - shore that squid fishery increased mostly in terms of weight in Summer, followed by Autum, Winter and Spring, decreesingly. Nunber of individuals was greater in Autinn, followed by Sunmer, Winter and the Spring. Catches happened in 40% of fishing days. The probability of finding these animals remained the same all year round. Squids were attracted by ligth and caught in a sliding net.

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Em trabalho realizado entre as latitudes 23°11'S e 27°17'S, até o limite de 50 milhas náuticas a leste, de 1981 a 1985, utilizando atração luminosa e rede corrediça, verificou-se que a captura em peso de lula (Doryteuthis piei Blainville, 1823) foi maior no verão, seguida do outono, inverno e primavera. 0 número de indivíduos foi maior no outono, seguido do verão, inverno e primavera. As capturas ocorreram em 40% dos dias de pesca. A probabilidade de encontrar-se o pescado é sempre a mesma, em qualquer das estações<br />do ano.

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