Yellowmargin Triggerfish, Pseudobalistes flavimarginatus (Rüppell 1829)

Other Names: Black-spotted Triggerfish, Pineapple Triggerfish, Yellow-bordered Trigger-fish, Yellowface Triggerfish, Yellow-faced Triggerfish, Yellowmargin Trigger, Yellow-margin Triggerfish

A Yellowmargin Triggerfish, Pseudobalistes flavimarginatus, at Bali, Indonesia. Source: Ian V. Shaw / Reef Life Survey. License: CC by Attribution

A blotchy pinkish to greyish triggerfish with a yellowish-pink snout, darkish stripes behind the eye, and yellow fin margins. Adults have a deep groove before the eyes and 5-6 rows of spiny scales on the tail base. Juveniles are more yellowish with black spots on the rear of the head and body, and saddle-like markings on the back.

Cite this page as:
Bray, D.J. 2020, Pseudobalistes flavimarginatus in Fishes of Australia, accessed 04 Feb 2023,

Yellowmargin Triggerfish, Pseudobalistes flavimarginatus (Rüppell 1829)

More Info


North of the Dampier Archipelago and offshore reefs of north Western Australia, Ashmore Reef in the Timor Sea, Goodrich Bank in the Northern Territory, and the far northern Great Barrier Reef. Queensland, and reefs in the Coral Sea, to Sydney, New South Wales; also Cocos (Keeling) Islands and Christmas Island in the eastern Indian Ocean. Elsewhere the species occurs in the tropical, Indo-west-central Pacific: Red Sea south to Natal, South Africa, and east through Indonesia to the Tuamoto Islands, north to southern Japan, south to New Caledonia.
Inhabits coastal to inner reefs and estuaries, often in silty areas.


Feeds on tips of coral branches, gastropods, crustaceans, sea urchins, foraminiferans, and tunicates.

Species Citation

Balistes flavimarginatus Rüppell 1829, Fische des Rothen Meeres 2: 33. Type  locality: Jidda, Saudi Arabia, Red Sea.


Bray, D.J. 2020


Atlas of Living Australia

Yellowmargin Triggerfish, Pseudobalistes flavimarginatus (Rüppell 1829)


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Allen, G.R. & Erdmann, M.V. 2012. Reef fishes of the East Indies. Perth : Tropical Reef Research 3 vols, 1260 pp. 

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Allen, G.R. & Smith-Vaniz, W.F. 1994. Fishes of Cocos (Keeling) Islands. Atoll Research Bulletin 412: 1-21 

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Matsuura, K. 2001. Triacanthodidae, Triacanthidae, Balistidae. pp. 3902-3928 in Carpenter, K.E. & Niem, T.H. (eds). The Living Marine Resources of the Western Central Pacific. FAO Species Identification Guide for Fisheries Purposes. Rome : FAO Vol. 6 pp. 3381-4218. 

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Rüppell, W.P.E. 1829. Atlas zu der Reise im nördlichen Afrika. Fische des Rothen Meeres. 2. Frankfurt : H.L. Brünner 29-94 pls 8-24. See ref at BHL

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Quick Facts

CAAB Code:37465071

Depth:2-50 m

Habitat:Reef associated

Max Size:60 cm TL

Species Image Gallery

Species Maps

CAAB distribution map