Maximum-likelihood phylogenetic tree of four species of Stolephorus related to S. bengalensis, based on the cytochrome b and cytochrome oxidase I genes (total: 1,788 base pairs) of 31 specimens, each species forming a monophyletic group. Each specimen identified by Museum Registration Number or GenBank number (see text and Table 1 for details). Type status (either holotype or paratype), specimen code, gene used (mt or COI) and sequence origin (GB) are indicated in brackets where necessary. Tree rooted by a specimen of Stolephorus andhraensis. Branch lengths proportional to number of substitutions. Bootstrap proportions indicated at nodes.