Juveniles with a few large roundish blotches, about size of eye, or with about 5 or 6 broad, dark, vertical bars. In large adults, spots may be faint and restricted to dorsal part of flanks. Body quadrangular, strongly compressed. Dorsal head profile steep. Eye moderately large, its diameter somewhat smaller than snout length. Snout rounded. Mouth small, horizontal, not protractile. Teeth villiform, in several rows on jaws.
Maximum length: 34.2 cm (TL), common length: 12-20 cm (TL)
Feed on worms, crustaceans, insects and plant matter.
Marketed mainly fresh or salted and used as an aquarium fish
Gillnet, drag net, trap