HomeFish encyclopediaRay-finned fishesGrinnersDeep-sea tripod fishesFeeler fish Feeler fish (Bathypterois longifilis) Scientific name: Bathypterois longifilis G?nther, 1878 The Feeler fish (Bathypterois longifilis) is a marine fish of the family Ipnopidae. Native range: Southwest Pacific, Australia and New Zealand. BiologyFound on the continental slope on soft mud bottoms; deep-sea bottom photographs have shown triple trails made by 'walking' on their pelvic fins and lower tail fin lobe. Feeds on small crustaceans and squids.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameBathypterois longifilisFamilyIpnopidae (Deep-sea tripod fishes)OrderAulopiformes (Grinners)ClassActinopterygii (Ray-finned fishes)Maximum length30.0Depth range500–5000 m (1640–16404 ft)EnvironmentMarine; bathydemersal; depth range 500 - 5000 m, usually 1000 - 1500 mClimateDeep-waterDistributionSouthwest Pacific: Australia and New Zealand.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