Fish ID: Cresent-tailed Bigeye

Big eye cresent tailed bigeye priacanthus hamrur bal
Family Bigeyes (PRIACANTHIDAE)
species Priacanthus hamrur
size To 40cm
locality Near or inside reefs
behaviour Solitary sheltering by day
range Indo West Pacific

Body can be anything from all rust red to all silvery, or more likely broad bars of each colour. Dorsal fin extends all the way along the back, broadening, with a matching anal fin.