HomeFish encyclopediaRay-finned fishesPuffers and FilefishesFilefishesDotterel filefish Dotterel filefish (Aluterus heudelotii) Scientific name: Aluterus heudelotii Hollard, 1855 The Dotterel filefish (Aluterus heudelotii) is a marine fish of the family Monacanthidae. BiologyDorsal spines (total): 2; Dorsal soft rays (total): 36-41; Anal spines: 0; Anal soft rays: 39 - 44. The rudimentary pelvic spine disappears in specimen larger than 13.5 cm SL.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameAluterus heudelotiiFamilyMonacanthidae (Filefishes)OrderTetraodontiformes (Puffers and Filefishes)ClassActinopterygii (Ray-finned fishes)Maximum length45.0Common length30.0Depth range3–2000 m (10–6562 ft)EnvironmentMarine; demersal; depth range 3 - 2000 m, usually 10 - 100 mClimateTropicalDistributionWestern Atlantic: Massachusetts (USA), Bermuda, and northern Gulf of Mexico to Brazil. Eastern Atlantic: Cape Blanco (north of Mauritania) to Mossam?d?s, Angola.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessResilienceMedium, minimum population doubling time 1.4 - 4.4 years (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