The Black rabbitfish (Siganus fuscescens) is a brackish-water fish of the family Siganidae that grows up to 40 cm.
Description
The mottled spinefoot is a reef fish of the rabbitfish family (Siganidae) from the Indo-West Pacific. The species grows to about 40 cm and has an oval, olive-brown to greyish body densely studded with small pale spots; the colour can change quickly. It inhabits algal and seagrass flats and shallow lagoon and coastal reefs, where it grazes in schools. As a herbivore it feeds mainly on algae and seagrass. The rabbitfish is a valued food fish. The numerous dorsal, pelvic and anal spines are venomous and give a painful puncture wound; therefore handle the fish with great care.
Frequently asked questions
How do you recognise the Black rabbitfish?
The Black rabbitfish has a flattened, disc-shaped body, is mainly brown and shows a spots pattern. Densely scattered with small pale blotches; numerous venomous dorsal, pelvic and anal fin spines.
Where does the Black rabbitfish live?
The Black rabbitfish lives in brackish water and is mostly found around stony or rocky ground. Indo-West Pacific; algal and seagrass flats and shallow reefs.
How big does the Black rabbitfish get?
The Black rabbitfish grows to a maximum of about 40 cm. On average the species is around 25 cm.
Is the Black rabbitfish dangerous to humans?
The Black rabbitfish is venomous — handle spines with care and seek medical help after a sting if needed. The fin spines are venomous and give a painful, burning puncture wound. Immerse the wound for 30-90 minutes in water as hot as can be tolerated (about 45 C) and seek medical care if pain or infection persists.
Is the Black rabbitfish edible?
Yes, the Black rabbitfish is commonly eaten.
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All data
Identification
Appearance
Habitat & distribution
Behaviour & biology
For anglers
Safety
Status & sources
Same genus Siganus
More from the family Siganidae

Want the complete picture on the Black rabbitfish?
Point your camera at the fish and Fin names the species in seconds. Free, and the Black rabbitfish is one of 12,519 species in the app.