HomeMarine aquarium fishOther marine fishSpotted ratfish Spotted ratfish (Hydrolagus colliei) Scientific name: Hydrolagus colliei Lay & Bennett, 1839 Photo: http://fishindex.blogspot.com/2010/01/spotted-ratfish-hydrolagus-colliei.html The Spotted ratfish (Hydrolagus colliei) is a marine fish of the family Chimaeridae. Native range: Eastern Pacific, Cape Spencer, Alaska to Bah?a Sebastian Vizca?no, Baja California. Isolated population in the northern Gulf of California. Species factsScientific nameHydrolagus collieiFamilyChimaeridae (Shortnose chimaeras or ratfishes)OrderChimaeriformes (Chimaeras)ClassHolocephali (Chimaeras)Maximum length97.0Depth range0–913 m (0–2995 ft)EnvironmentMarine; demersal; depth range 0 - 913 mClimateTemperateDistributionEastern Pacific: Cape Spencer, Alaska to Bah?a Sebastian Vizca?no, Baja California. Isolated population in the northern Gulf of California.Conservation status (IUCN)Least Concern (LC)Threat to humansTraumatogenicUsesFisheries: of no interest; aquarium: public aquariumsResilienceLow, minimum population doubling time 4.5 - 14 years (K=0.2-0.22; Fec=2) More other marine fishBat eagle rayMyliobatis californicaBroadnose sevengill sharkNotorynchus cepedianusPacific hagfishEptatretus stoutiiEuropean congerConger congerCuckoo rayLeucoraja naevusCommon torpedoTorpedo torpedoSee all other marine fish SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026