spines: 0. Scutes apparent along belly. Upper jaw with distinct median notch. Pelvic fin with oblique and almost straight hind margin, the inner fin rays markedly shorter than outer fin rays when fin folded back. Pre-dorsal scales modified; scales small and numerous, those on back and above base of anal fin markedly smaller than rest. A black spot behind gill opening, but none along flank (Ref. 188). Fins dusky to yellow (Ref. 7251).