Bolobometopon muricatum (Valenciennes, 1840)
Bolobometopon muricatum (Valenciennes, 1840)

Genus: ,

Scientific Name: Bolobometopon muricatum

English Name: Green humphead parrotfish

Creole Name: Filanbaz

French Name: Perroquet bossu vert

IUCN Red List Status: Vulnerable (VU)


Dorsal spines 9, Dorsal rays 10, Anal spines 3, Anal rays 9.

Distinct hump on head, dark green colouration (dark blue edges to operculum and fins) and large size of adults make them easy to identify. Juveniles are a dull grey with scattered white spots, gradually transitioning to dark green.


Max Length: 130cm TL. Common Length: 70cm TL. Largest of all the parrotfishes.

Maturity: Lm unknown. Range 62cm - ? FL.

Habitat and Ecology:

Adults are found in outer lagoons and seaward reefs to a depth of 40m usually in aggregations (of up to 75 individuals). Juveniles are found in lagoons often in seagrass beds.

Feeds on live coral, benthic algae and shellfish. Adults feed on coral by biting off large chunks or by ramming with their head to break the coral into smaller pieces. The species has large powerful jaws and pharyngeal teeth to enable the grinding down of coral. The fish sleeps in caves (and shipwrecks) at night often in large groups.

Spawning occurs in large schools, with pairs forming within the group. Eggs and larvae are pelagic.

Fishery Status:

This species is not protected or subject to fishery regulations. Juveniles are caught in the fish trap fishery, but is an uncommon component of the catch outside of certain localities. Adults are caught in nets or illegally by spear gun. 


Australian Museum: (06/08/18).

Dianne J. Bray, Bolbometopon muricatum in Fishes of Australia, accessed 07 Aug 2018,

Froese, R. and D. Pauly. Eds. 2018. FishBase. World Wide Web electronic publication. (06/2018)

Chan, T., Sadovy, Y. & Donaldson, T.J. 2012. Bolbometopon muricatum. The IUCN Red List of Threatened Species 2012: e.T63571A17894276. (06/08/18).

Nevill, J. (2013). A Species Identification Guide for Commonly Caught Fish in the Seychelles Near-Shore Artisanal Fishery. 


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