Abstract
. Genetic divergence and phylogenetic relationships among Parastromateus niger (Bloch), Pampus argenteus (Euphrasen) and Pampus chinensis (Euphrasen) were investigated by examining the electrophoretic patterns of nine enzymes and sarcoplasmic proteins. Among the 16 loci detected, four were polymorphic in P. niger and seven in P. argenteus. The allele frequencies of 16 loci were estimated to calculate the genetic distances (D). The average D value among the species increased in proportion to the level of taxonomic category. The relationship estimated by genetic markers accorded well with that estimated from anatomical characters. The three species were clearly divided into two distinct groups at a D value of 6·51.
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