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Revista Brasileira de Zoologia

Print version ISSN 0101-8175

Rev. Bras. Zool. vol.15 no.4 Curitiba Dec. 1998 

Idade e crescimento de Lopholatilus villarii Ribeiro no Sudeste do Brasil (Osteichthyes, Malacanthidae)


Age and growth of Lopholatilus villarii Ribeiro at Southeast of Brazil (Osteichthyes, Malacanthidae)



Maria Odete Ximenes CarvalhoI; Rafael de Almeida TubinoII; Melquíades Pinto PaivaII,III; Magda Fernandes de Andrade-TubinoII; Antônio Adauto Fonteles-FilhoI,III

ILaboratório de Ciências do Mar, Universidade Federal do Ceará. Avenida da Abolição 3207, 60165-081 Fortaleza, Ceará, Brasil
IIDepartamento de Biologia Marinha, Universidade Federal do Rio de Janeiro. Cidade Universitária, 21949-900 Rio de Janeiro, Rio de Janeiro, Brasil
IIIBolsista do CNPq




The tilefish, Lopholatihis villarii Ribeiro, 1915 is a commercially-important demersal fish, in the Southeast Brazil, inhabiting calcareous and rocky substrates of the outer shelf and upper continental slope. This study was based on readings of the scale's age rings of 153 especimens, caught from March, 1995 to March, 1996. Scales were found to grow on an isometric proportion with fish length, and age rings are formed betvveen the third and fourth trimesters (winter and spring). The age groups of sampled fish varied from II to X years, and the growth equation in total length (cm) is Lt = I 13.4 [1-e -0.144 (t+ 1.4)] with the correspondem one in weight (kg): W, = 22.5[1-e -0.144 (1 + 14)]3 184 obtained from the weight/length regression equation: ln W = -11.95 + 3.184 In L. The tilefish has a low growth coefficient (K = 0.144), typical of camivorous specics of the fourth trophic levei, and it may reach, theoretically, 41 years of age.

Key words: Lopholaülus villarii, age and growth, Brazilian ichthyofauna.



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AGRADECIMENTOS. Somos gratos ao Sr. João Evangelista Nunes de Viveiros e seus empregados, pelas facilidades que nos proporcionaram em Niterói, para a condução das amostragens e coleta de material que suportam o presente trabalho. Os autores Antônio Adauto Fonteles-Filho e Melquíades Pinto Paiva expressam os seus agradecimentos ao Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq) pelas bolsas de pesquisa que lhes foram concedidas.



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Recebido em 05.VI.1997; aceito em 03.XI.1998.

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