M. A. Essien-Ibok

Sexual Dimorphism in Erpetoicthys calabaricus from a Mangrove Creek, Nigeria

I. E. Asuquo & M. A. Essien-Ibok · Asian Journal of Fisheries and Aquatic Research · 2019

Sexual dimorphism of E. calabaricus is presented based on the examination of external morphology of the fish. Females had very pointed anal fins which joined the caudal fin smoothly with fewer than 10 spikes. Males had broader anal fin clearly separated from the caudal fin with b...