HomeFish encyclopediaChimaerasChimaerasLongnose chimaerasStraightnose rabbitfish Straightnose rabbitfish (Rhinochimaera atlantica) Scientific name: Rhinochimaera atlantica Holt & Byrne, 1909 Photo: http://www.earthrangers.com/wildwire/hot/top-ten-strange-looking-fish/ The Straightnose rabbitfish (Rhinochimaera atlantica) is a marine fish of the family Rhinochimaeridae. BiologyDorsal spines: 1; Anal spines: 0; Anal soft rays: 0. A longnose chimaera with a narrow, moderately flattened, pointed snout and smooth, sharp-edged tooth plates; pectoral fins narrow, and caudal fin with very short terminal filament and wide-spaced tubercles on upper edge. Whitish to light brown in color.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameRhinochimaera atlanticaFamilyRhinochimaeridae (Longnose chimaeras)OrderChimaeriformes (Chimaeras)ClassHolocephali (Chimaeras)Maximum length140Depth range500–1500 m (1640–4921 ft)EnvironmentMarine; bathydemersal; depth range 500 - 1500 mClimateDeep-waterDistributionNorthwest to Northeast Atlantic, and Southeast Atlantic: Antitropical. Eastern Atlantic: northern Bay of Biscay northward to Iceland, including the Iceland-Faroes Rise; off Cayar and Cape Barbas in Western Sahara, off Namibia and South Africa. Western Atlantic: off Nova Scotia, Canada and New England, USA.Conservation status (IUCN)Least Concern (LC)Threat to humansHarmlessResilienceLow, minimum population doubling time 4.5 - 14 years (Assuming Fec SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026