HomeFish encyclopediaRay-finned fishesPerch-like fishWeeverfishesGuinean weever Guinean weever (Trachinus armatus) Scientific name: Trachinus armatus Bleeker, 1861 The Guinean weever (Trachinus armatus) is a marine fish of the family Trachinidae. Native range: Eastern Atlantic, Mauritania to Angola. BiologyOccurs in shallow waters over sandy bottoms, often in less than 50 m deep. Lies hidden in the sediment while waiting for its prey. Feeds on fish, crustaceans and annelids. Its venom is not deadly but can cause painful wounds.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameTrachinus armatusFamilyTrachinidae (Weeverfishes)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length35.0Common length25.0Depth range15–150 m (49–492 ft)EnvironmentMarine; demersal; depth range 15 - 150 mClimateTropicalDistributionEastern Atlantic: Mauritania to Angola.Conservation status (IUCN)Not EvaluatedThreat to humansVenomousUsesFisheries: minor commercial SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026