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The reproduction, age and growth of the spotted rockling

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Biology of the Macaronesian endemic rockling Gaidropsarus guttatus was studied in the Azores. The overall sex ratio from the samples was highly in favour of females (1 : 6·33). The growth parameters were L = 24·23, k = 1·219 and t0 = −0·059. Fish matured at 15 cm LT and the spawning season was strongly clustered in April.
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Keywords: Gaidropsarus guttatus; Macaronesia; growth parameters; length at maturity; rockling; spawning season

Document Type: Research Article

Affiliations: 1: Departamento de Oceanografia e Pescas, Universidade dos Açores, PT-9901-862 Horta, Portugal and 2: School of Biological Sciences, University of Liverpool, Port Erin Marine Laboratory, Port Erin, Isle of Man, IM9 6JA, British Isles

Publication date: 2003-06-01

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