Aspectos reproductivos de Grapsus grapsus (Decapoda: Grapsidae) en islas del sureste del Golfo de California

Abstract

Objetive. The sex ratio, ovigerous females, first sexual maturity lengths and fecundity of Grapsus grapsus crab in the Lobos, Venados and Pajaros islands (southeastern Gulf of California) were analyzed. Materials and methods. Sampling was monthly between March 2011 and February 2012, collections were nocturnal at low tide, 30 crabs were collected in a quadrant (25 m2) for island and