Fertilidad y fecundidad en Poeciliopsis turrubarensis (Pisces: Poeciliidae)

Reproduetive analysis of 428 females of Poeciliopsis turrubarensis eollected in estuary of Panamá river, Culebra Bay, Guanacaste, Costa Rica, Was made. Por each female included in the random sample standard length, total length and weight were measured. Eaeh female was dissected and the brood was ex...

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Bibliographic Details
Main Authors: Cabrera Peña, Jorge, Solano López, Yanaide
Format: Online
Language:spa
Published: Universidad de Costa Rica 1995
Online Access:https://revistas.ucr.ac.cr/index.php/rbt/article/view/22452
Description
Summary:Reproduetive analysis of 428 females of Poeciliopsis turrubarensis eollected in estuary of Panamá river, Culebra Bay, Guanacaste, Costa Rica, Was made. Por each female included in the random sample standard length, total length and weight were measured. Eaeh female was dissected and the brood was extracted and analized. Ovules, eggs and embryos were separated in to categories. Analysis of data detennined tha! this species has superfetation and they are sexually active al! year. The mean fertility was 31.43±16.94 (eggs + embryonic stage) and the fecundity was 18.5±lO.93 ovules. The minimun reproductive size, was 35.00 mm SL.