HomeFish encyclopediaRay-finned fishesPerch-like fishThreefin blenniesSignal triplefin Signal triplefin (Lepidonectes clarkhubbsi) Scientific name: Lepidonectes clarkhubbsi Bussing, 1991 The Signal triplefin (Lepidonectes clarkhubbsi) is a marine fish of the family Tripterygiidae. Native range: Eastern Central Pacific, Costa Rica and Panama. BiologyInhabits rocky shores. Feeds on tiny invertebrates and algae.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameLepidonectes clarkhubbsiFamilyTripterygiidae (Threefin blennies)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length6.5Depth range2–12 m (7–39 ft)EnvironmentMarine; demersal; depth range 2 - 12 mClimateTropicalDistributionEastern Central Pacific: Costa Rica and Panama.Conservation status (IUCN)Least Concern (LC)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