HomeFish encyclopediaRay-finned fishesPerch-like fishThreefin blenniesCunningham's triplefin Cunningham's triplefin (Helcogrammoides cunninghami) Scientific name: Helcogrammoides cunninghami Smitt, 1898 The Cunningham's triplefin (Helcogrammoides cunninghami) is a marine fish of the family Tripterygiidae. Native range: Southeast Pacific and Southwest Atlantic, southernmost South America. Species factsScientific nameHelcogrammoides cunninghamiFamilyTripterygiidae (Threefin blennies)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length5.0EnvironmentMarine; demersalClimateTemperateDistributionSoutheast Pacific and Southwest Atlantic: southernmost South America.Conservation status (IUCN)Not EvaluatedThreat 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