HomeFish encyclopediaRay-finned fishesClingfishesClingfishes and singleslitsBifid clingfish Bifid clingfish (Tomicodon bidens) Scientific name: Tomicodon bidens Briggs, 1969 The Bifid clingfish (Tomicodon bidens) is a marine fish of the family Gobiesocidae. Native range: Eastern Central Pacific, Panama. BiologyDorsal spines (total): 0; Dorsal soft rays (total): 8; Anal spines: 0; Anal soft rays: 7. No humeral spot.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameTomicodon bidensFamilyGobiesocidae (Clingfishes and singleslits)OrderGobiesociformes (Clingfishes)ClassActinopterygii (Ray-finned fishes)Maximum length2.8EnvironmentMarine; demersalClimateTropicalDistributionEastern Central Pacific: Panama.Conservation status (IUCN)Vulnerable (VU) (B1ab(iii); 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