HomeMarine aquarium fishTriggers, puffers & boxfishIndian triggerfish Indian triggerfish (Melichthys indicus) Scientific name: Melichthys indicus Randall & Klausewitz, 1973 The Indian triggerfish (Melichthys indicus) is a marine fish of the family Balistidae. Native range: Indian Ocean, Red Sea and East Africa eastward to western Thailand and Sumatra, Indonesia. BiologyDorsal spines (total): 3; Dorsal soft rays (total): 30-35; Anal spines: 0; Anal soft rays: 27 - 30. Narrow white margin round caudal fin; live specimens bluish or violet.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameMelichthys indicusFamilyBalistidae (Triggerfishes)OrderTetraodontiformes (Puffers and Filefishes)ClassActinopterygii (Ray-finned fishes)Maximum length25.0Depth range1–30 m (3–98 ft)EnvironmentMarine; reef-associated; depth range 1 - 30 mClimateTropicalDistributionIndian Ocean: Red Sea and East Africa eastward to western Thailand and Sumatra, Indonesia.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesAquarium: commercialResilienceHigh, minimum population doubling time less than 15 months (Preliminary K or Fecundity.) More triggers, puffers & boxfishWhite-banded triggerfishRhinecanthus aculeatusSandwich isle fileCantherhines sandwichiensisThornback cowfishLactoria fornasiniSpider-eye pufferCanthigaster amboinensisHawaiian whitespotted tobyCanthigaster jactatorCrowned pufferCanthigaster coronataSee 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