HomeMarine aquarium fishTriggers, puffers & boxfishFringed filefish Fringed filefish (Monacanthus ciliatus) Scientific name: Monacanthus ciliatus Mitchill, 1818 The Fringed filefish (Monacanthus ciliatus) is a marine fish of the family Monacanthidae. Native range: Western Atlantic, Newfoundland (Canada), Bermuda, and northern Gulf of Mexico to Argentina, including the Caribbean. Eastern Atlantic. BiologyDorsal spines (total): 2; Dorsal soft rays (total): 29-37; Anal spines: 0; Anal soft rays: 28 - 36. Snout prominently projecting but not very elongate; first dorsal spine originating above posterior part of eye; adult males with two pairs of enlarged recurved spines on each side of caudal peduncle; spines of females only slightly larger than other scale spinules of caudal peduncle.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameMonacanthus ciliatusFamilyMonacanthidae (Filefishes)OrderTetraodontiformes (Puffers and Filefishes)ClassActinopterygii (Ray-finned fishes)Maximum length20.0Common length10.0Depth range50 m (164 ft)EnvironmentMarine; reef-associated; depth range ? - 50 mClimateSubtropicalDistributionWestern Atlantic: Newfoundland (Canada), Bermuda, and northern Gulf of Mexico to Argentina, including the Caribbean. Eastern Atlantic.Conservation status (IUCN)Not EvaluatedThreat to humansReports of ciguatera poisoningUsesFisheries: subsistence fisheries; aquarium: commercialResilienceMedium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.) More triggers, puffers & boxfishWhite-banded triggerfishRhinecanthus aculeatusPlanehead filefishStephanolepis hispidusRedtail triggerfishXanthichthys mentoAmerican whitespotted filefishCantherhines macrocerusSargassum triggerfishXanthichthys ringensSpotted trunkfishLactophrys bicaudalisSee 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