Convict Tang

Acanthurus triostegus

Convict Surgeonfish · Manini

Tangs & Surgeonfish

A small, peaceful tang with a silver-white body and six vertical black bars, reminiscent of prison stripes. Convict tangs are one of the few tangs that can be kept in groups, forming attractive schooling displays. They are hardy, effective algae grazers, and their smaller adult size makes them more suitable for medium-sized reef tanks than many other tang species.

Difficulty Beginner

Reef Safety Reef Safe

Temperament Peaceful

Min Tank Size 250L

Diet Herbivore

Available Stock

2 Convict Tang listings in stock across 2 Australian reef shops, from $60 to $260 (median $160), as of 2026-08-23.

Shops with stock

Anything QT 1 from $260
Coral and Fish Barn 1 from $60

In stock only

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