HomeFish encyclopediaRay-finned fishesPerch-like fishThreefin blenniesRubinoff's triplefin Rubinoff's triplefin (Axoclinus rubinoffi) Scientific name: Axoclinus rubinoffi Allen & Robertson, 1992 The Rubinoff's triplefin (Axoclinus rubinoffi) is a marine fish of the family Tripterygiidae. Native range: Southeast Pacific, Malpelo Island, Colombia. BiologyInhabits rocky areas. Feeds on tiny invertebrates and algae.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameAxoclinus rubinoffiFamilyTripterygiidae (Threefin blennies)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length3.5Depth range1–2 m (3–7 ft)EnvironmentMarine; demersal; depth range 1 - 2 mClimateTropicalDistributionSoutheast Pacific: Malpelo Island, Colombia.Conservation status (IUCN)Vulnerable (VU) (D2)Threat to humansHarmlessResilienceHigh, minimum population doubling time less than 15 months (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