Fin's Fish Guide
The Moonish idol (Zanclus cornutus) is a saltwater fish of the family Zanclidae that grows up to 23 cm.
Description
The Moorish idol (Zanclus cornutus) is an unmistakable reef fish of the family Zanclidae from the Indian and Pacific Oceans. The species has a tall, strongly laterally compressed, disc-shaped body with broad black, white and yellow vertical bands, a long, whip-like dorsal-fin ray and a tubular snout. It reaches about 23 cm and inhabits both turbid inner lagoons and reef flats and clear seaward rocky and coral reefs. It is usually found alone or in small groups. The diet consists mainly of sponges and small bottom invertebrates, which it picks from crevices with its narrow snout. Owing to this specialised diet it is difficult to keep in the aquarium.
Frequently asked questions
How do you recognise the Moonish idol?
The Moonish idol has a flattened, disc-shaped body, is mainly white and shows a vertical stripes pattern. Broad black, white and yellow bands, a long whip-like dorsal fin ray and a tubular snout.
Where does the Moonish idol live?
The Moonish idol lives in the sea (marine waters) and is mostly found around stony or rocky ground. Coral reefs and lagoons of the Indian and Pacific Oceans.
How big does the Moonish idol get?
The Moonish idol grows to a maximum of about 23 cm. On average the species is around 21 cm.
Is the Moonish idol dangerous to humans?
No, the Moonish idol is harmless to humans. This species is harmless to humans. No specific first aid is needed. Still handle the fish with care: mind the fin rays and the sharp edges of the gill cover, and rinse any scratch with clean water and cover it. For a dirty or deep wound check tetanus status.
Is the Moonish idol edible?
The Moonish idol is rarely eaten.
More photos
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All data
Identification
Appearance
Habitat & distribution
Behaviour & biology
For anglers
Safety
Status & sources
Want the complete picture on the Moonish idol?
Point your camera at the fish and Fin names the species in seconds. Free, and the Moonish idol is one of 12,519 species in the app.