HomeFish encyclopediaRay-finned fishesAnglerfishesFrogfishesBloody frogfish Bloody frogfish (Antennarius sanguineus) Scientific name: Antennarius sanguineus Gill, 1863 The Bloody frogfish (Antennarius sanguineus) is a marine fish of the family Antennariidae. Native range: Eastern Pacific, Gulf of California to Peru, including the Cocos and Galapagos islands. BiologyFound on small recesses in rocky reefs and especially along walls. They blend almost perfectly with the background and appear like encrusting sponges.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameAntennarius sanguineusFamilyAntennariidae (Frogfishes)OrderLophiiformes (Anglerfishes)ClassActinopterygii (Ray-finned fishes)Maximum length8.2Depth range0–40 m (0–131 ft)EnvironmentMarine; reef-associated; depth range 0 - 40 m, usually 0 - 20 mClimateTropicalDistributionEastern Pacific: Gulf of California to Peru, including the Cocos and Galapagos islands.Conservation status (IUCN)Least Concern (LC)Threat to humansHarmlessResilienceHigh, minimum population doubling time less than 15 months (Fec assumed to be > 10,000) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026