HomeFish encyclopediaRay-finned fishesPerch-like fishRabbitfishesThreeblotched rabbitfish Threeblotched rabbitfish (Siganus trispilos) Scientific name: Siganus trispilos Woodland & Allen, 1977 The Threeblotched rabbitfish (Siganus trispilos) is a marine fish of the family Siganidae. BiologyDorsal spines (total): 13; Dorsal soft rays (total): 10; Anal spines: 7; Anal soft rays: 9; Vertebrae: 13. Sides of body and fins bright yellow with orange cast; 3 chocolate brown patches on upper half of body below spinous part of dorsal fin; head, thorax, ventral margin of body, upper half of sides, and caudal peduncle with blue pinhead-sized ocelli, with deep blue margin; ocelli also present within the 3 patches; fins may be invaded basally by blue ocelli. Brown smudge running diagonally through eye; yellow lips; dusky yellow iris. Fin and nape spines fairly stout, pungent, and venomous. Midline of thorax and pelvic ridges fully scaled.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameSiganus trispilosFamilySiganidae (Rabbitfishes)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length25.0Depth range3–5 m (10–16 ft)EnvironmentMarine; reef-associated; depth range 3 - 5 mClimateTropicalDistributionEastern Indian Ocean: off the northwestern coast of Western Australia (Ningaloo Reef complex; North West Cape; Murion Islands; Rosemary Islands, Dampier Archipelago).Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessResilienceHigh, minimum population doubling time less than 15 months (Preliminary K or Fecundity.) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026