Fin's Fish Guide
The Gendarme fish (Acanthurus olivaceus) is a saltwater fish of the family Acanthuridae that grows up to 35 cm.
Description
The orangeband surgeonfish is a surgeonfish (Acanthuridae) from the Indo-West Pacific. Adults are grey-brown with a conspicuous orange, blue-edged band behind the head; juveniles are bright yellow. It inhabits seaward reefs with bare rock or mixed rubble and sand, from nine to at least forty-six metres depth. It grazes algae and detritus from the bottom. On each side of the tail base it carries a sharp, scalpel-like spine that can inflict deep cuts.
Frequently asked questions
How do you recognise the Gendarme fish?
The Gendarme fish has a flattened, disc-shaped body, is mainly brown and shows a plain pattern. Orange, blue-edged band behind the head; juveniles bright yellow, scalpel-like tail spine.
Where does the Gendarme fish live?
The Gendarme fish lives in the sea (marine waters) and is mostly found around stony or rocky ground. Eastern Indian Ocean to eastern Pacific; seaward reefs.
How big does the Gendarme fish get?
The Gendarme fish grows to a maximum of about 35 cm.
Is the Gendarme fish dangerous to humans?
No, the Gendarme fish is harmless to humans. Not venomous, but the sharp, scalpel-like spine on the tail base can inflict deep cuts. Handle with care; clean the wound thoroughly and seek medical care for deep wounds or infection.
Is the Gendarme fish edible?
Yes, the Gendarme fish is commonly eaten.
More photos
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All data
Identification
Appearance
Habitat & distribution
Behaviour & biology
For anglers
Safety
Status & sources
Same genus Acanthurus
More from the family Acanthuridae
Want the complete picture on the Gendarme fish?
Point your camera at the fish and Fin names the species in seconds. Free, and the Gendarme fish is one of 12,519 species in the app.