Consulta: subjectFacets:"Spermatogenic cells"
Registros recuperados: 1
Data/hora: 11/06/2024 09:55:23

Reproduction of the Brazilian snapper, Lutjanus alexandrei Moura &amp;amp; Lindeman, 2007 (Perciformes: Lutjanidae), off the northern coast of Pernambuco, Brazil
Provedor de dados: 83
Autores: Fernandes,Cezar A. F.; Oliveira,Paulo G. V. de; Travassos,Paulo E. P.; Hazin,Fábio H. V.
Reproductive aspects of the Brazilian snapper Lutjanus alexandrei, were characterized, including a description of the development of oocytes and spermatogenic cells, size at first sexual maturity, and fecundity. A total of 540 fish were analyzed with 250 having their gonads sectioned to allow microscopic evaluation. Six maturity stages were identified for females and males: immature, maturing, mature, spawning, spawned, and resting. Fish standard length (SL) varied from 13.0 to 28.3 cm and sex ratio was 1.6 males: 1.0 females. Monthly distributions of mean Gonadosomatic Index (GSI) and maturity stages suggest that spawning occurs mainly in a protracted period, during the warmer months, from November to March. The size of first sexual maturity was estimated...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Multiple spawning; Oocytes; Sexual maturity; Spermatogenic cells.
Ano: 2012
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1679-62252012000300012