-
top head - bones exposedjuv: blackish, fins pale + dark base, LL palechin - bony converging ridgesbehind operculum: 1 blunt, flat spine
back brown + many small spots; fin bases dark -
Y bone on nape short & broadbody dark, white spots conspicuous, large spots at rearC: central dark stripe extending onto tail base
-
Y bone on nape long, narrowbody pale, white spots not very conspicuous, no larger at rearC: central dark stripe not extending onto tail base
-
upper body: dark-edged white spotsD 2-3 oblique black barsC: 2-5 elongate black spots