HomeFish encyclopediaRay-finned fishesCodsGrenadiers or rattailsKarrer's whiptail Karrer's whiptail (Coelorinchus karrerae) Scientific name: Coelorinchus karrerae Trunov, 1984 The Karrer's whiptail (Coelorinchus karrerae) is a marine fish of the family Macrouridae. BiologyDorsal spines (total): 2; Anal spines: 0. Snout long and pointed, its anterolateral margin completely supported by bone. Head ridges narrow, sharply spined; the underside of the head mostly naked except for patches of thin, deciduous scales posteriorly behind level of mouth angle. Light organ small and externally apparent as a blackish streak extending forward of the anus to between the pelvic fins. Overall color is light brown to swarthy; the abdominal region bluish; the fins dusky to blackish; the mouth and gill cavities blackish.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameCoelorinchus karreraeFamilyMacrouridae (Grenadiers or rattails)OrderGadiformes (Cods)ClassActinopterygii (Ray-finned fishes)Maximum length35.0Depth range263–1150 m (863–3773 ft)EnvironmentMarine; bathydemersal; non-migratory; depth range 263 - 1150 mClimateDeep-waterDistributionSoutheast Atlantic: Namibia to off Cape of Good Hope, South Africa; Discovery Tablemount; Valdivia Bank. Indian Ocean: Madagascar Plateau; Saya de Malha Bank and Broken (West Australian) Ridge.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: of no interestResilienceMedium, 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