Reproduction of the fish Poeciliopsis gracilis (Cyprinodontiformes: Poeciliidae) in Coatetelco, a tropical shallow lake in Mexico

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書目詳細資料
Autores:	Gómez-Márquez, José Luis, Peña-Mendoza, Bertha, Salgado-Ugarte, Isaías H., Sánchez-Herrera, Abby K., Sastré-Baez, Leonardo
格式:	artículo original
狀態:	Versión publicada
Fecha de Publicación:	2018
實物特徵:	A reproductive analysis of 1 225 specimens of Poeciliopsis gracilis obtained through monthly samples from Coatetelco, a tropical shallow lake in Central Mexico, was made. There was an evident sexual dimorphism, including a difference in body size at the onset of reproduction. Sex ratio deviated significantly from unity. Monthly variations in gonadosomatic (GSI), hepatosomatic (HSI) indexes and ovarian development stages showed that the spawning season was from July to October, coinciding with the rainy season and phytoplankton biomass increase.
País:	Portal de Revistas UCR
機構:	Universidad de Costa Rica
Repositorio:	Portal de Revistas UCR
語言:	Inglés
OAI Identifier:	oai:portal.ucr.ac.cr:article/32946
在線閱讀:	https://revistas.ucr.ac.cr/index.php/rbt/article/view/32946