HomeFish encyclopediaRay-finned fishesGrinnersDeep-sea tripod fishesMarion's spiderfish Marion's spiderfish (Bathytyphlops marionae) Scientific name: Bathytyphlops marionae Mead, 1958 The Marion's spiderfish (Bathytyphlops marionae) is a marine fish of the family Ipnopidae. BiologyDorsal spines (total): 0; Dorsal soft rays (total): 12-13; Anal spines: 0; Anal soft rays: 12 - 14. Body grey to brown in color; head dark.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameBathytyphlops marionaeFamilyIpnopidae (Deep-sea tripod fishes)OrderAulopiformes (Grinners)ClassActinopterygii (Ray-finned fishes)Maximum length38.0Depth range0–1920 m (0–6299 ft)EnvironmentMarine; bathydemersal; depth range 0 - 1920 mClimateDeep-waterDistributionEastern Atlantic: off west Africa at 9?N. Western Atlantic: off Virginia, USA to off Guyana, including Gulf of Mexico and the Caribbean. Indian Ocean: Mozambique Channel.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessResilienceVery Low, minimum population doubling time more than 14 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