Interspecific genetic divergence in grey mullets from the Goa region
Abstract
Genetic divergence and phylogenetic relationships among Mugil cephalus, Liza subviridis and Valamugil cunnesius were investigated by examining the electrophoretic patterns of ten enzymes and sarcoplasmic proteins. Among the 19 loci detected, eight were polymorphic in M. cephalus, six in L. subviridis and three in V. cunnesius. Two isozyme and two sarcoplasmic protein loci were found to be the most reliable species specific markers. On average, 55% of the loci studied permit a correct decision as to which species an individual belongs. The allele frequencies of 19 loci were used to estimate genetic distances among species which ranged from 0.5230 to 1.129
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