HomeMarine aquarium fishTriggers, puffers & boxfishYellowmargin triggerfish Yellowmargin triggerfish (Pseudobalistes flavimarginatus) Scientific name: Pseudobalistes flavimarginatus R?ppell, 1829 The Yellowmargin triggerfish (Pseudobalistes flavimarginatus) is a marine fish of the family Balistidae. Native range: Indo-Pacific, Red Sea south to Natal, South Africa and east through Indonesia to the Tuamoto Islands, north to southern Japan. BiologyDorsal spines: 3; Dorsal soft rays: 24-27; Anal spines: 0; Anal soft rays: 22 - 25. Scales relatively large.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific namePseudobalistes flavimarginatusFamilyBalistidae (Triggerfishes)OrderTetraodontiformes (Puffers and Filefishes)ClassActinopterygii (Ray-finned fishes)Maximum length60.0Depth range2–50 m (7–164 ft)EnvironmentMarine; reef-associated; depth range 2 - 50 mClimateTropicalDistributionIndo-Pacific: Red Sea south to Natal, South Africa and east through Indonesia to the Tuamoto Islands, north to southern Japan.Conservation status (IUCN)Not EvaluatedThreat to humansReports of ciguatera poisoningUsesFisheries: commercial; aquarium: commercialResilienceHigh, minimum population doubling time less than 15 months (K=0.49; Fec=430,000) More triggers, puffers & boxfishWhite-banded triggerfishRhinecanthus aculeatusBlackbelly triggerfishRhinecanthus verrucosusOrange-lined triggerfishBalistapus undulatusBoomerang triggerfishSufflamen bursaGilded triggerfishXanthichthys auromarginatusSouthern Atlantic sharpnose-pufferCanthigaster figueiredoiSee all triggers, puffers & boxfish SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026