HomeFish encyclopediaRay-finned fishesPerch-like fishWeeverfishesSailfin weever Sailfin weever (Trachinus collignoni) Scientific name: Trachinus collignoni Roux, 1957 The Sailfin weever (Trachinus collignoni) is a marine fish of the family Trachinidae. Native range: Eastern Atlantic, tropical coast of west Africa, Gabon and Congo, probably further north and south. BiologyFound on soft bottoms in littoral and shallow coastal waters.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameTrachinus collignoniFamilyTrachinidae (Weeverfishes)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length15.0EnvironmentMarine; demersalClimateTropicalDistributionEastern Atlantic: tropical coast of west Africa, Gabon and Congo, probably further north and south.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: commercial SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026