HomeMarine aquarium fishTriggers, puffers & boxfishSpotted trunkfish Spotted trunkfish (Lactophrys bicaudalis) Scientific name: Lactophrys bicaudalis Linnaeus, 1758 The Spotted trunkfish (Lactophrys bicaudalis) is a marine fish of the family Ostraciidae. Native range: Western Atlantic, Florida (USA), Bahamas, and southern Gulf of Mexico to Brazil. Eastern Atlantic: Ascension Island. BiologyWhitish with numerous small black spots on carapace, caudal peduncle and caudal fin; lips whitish; bases of dorsal, anal and pectoral fins blackish; large adults with black spots missing from three small areas in a diagonal row anteriorly on body at level of eye, appearing as three white spots.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameLactophrys bicaudalisFamilyOstraciidae (Boxfishes)OrderTetraodontiformes (Puffers and Filefishes)ClassActinopterygii (Ray-finned fishes)Maximum length48.0Common length20.0Depth range3–50 m (10–164 ft)EnvironmentMarine; reef-associated; depth range 3 - 50 mClimateSubtropicalDistributionWestern Atlantic: Florida (USA), Bahamas, and southern Gulf of Mexico to Brazil. Eastern Atlantic: Ascension Island.Conservation status (IUCN)Not EvaluatedThreat to humansReports of ciguatera poisoningUsesAquarium: commercialResilienceHigh, minimum population doubling time less than 15 months (Fec assumed to be > 10,000) More triggers, puffers & boxfishWhite-banded triggerfishRhinecanthus aculeatusSargassum triggerfishXanthichthys ringensHoneycomb cowfishAcanthostracion polygoniusRedtail triggerfishXanthichthys mentoCaribbean sharpnose-pufferCanthigaster rostrataPlanehead filefishStephanolepis hispidusSee 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