HomeMarine aquarium fishGobies, blennies & dottybacksNorthern clingfish Northern clingfish (Gobiesox maeandricus) Scientific name: Gobiesox maeandricus Girard, 1858 The Northern clingfish (Gobiesox maeandricus) is a marine fish of the family Gobiesocidae. Native range: Eastern Pacific, Revillagigedo Island, southeastern Alaska to southern California, USA; also off Baja California, Mexico. BiologyDorsal spines (total): 0; Dorsal soft rays (total): 13-16; Anal spines: 0; Anal soft rays: 12 - 14. Caudal fin well rounded; pectorals short and broad, a fleshy pulp between the base of the fin and the gill opening; pelvic fins united anteriorly by a papillose membrane, the rays are flexible and support the lateral rim of a prominent adhesive disc; the disc is completed posteriorly by a broad fringed fold of skin on the lower part of the body, and is separated from the pelvic fins by a deep notch. Light olive brown to cherry red, reticulated with darker or mottled with light shades; dark radiating lines from eyes and joining the eyes through a series of reticulations; white bars between eyes and in young across back and on edge of caudal fin.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameGobiesox maeandricusFamilyGobiesocidae (Clingfishes and singleslits)OrderGobiesociformes (Clingfishes)ClassActinopterygii (Ray-finned fishes)Maximum length16.0Depth range8 m (26 ft)EnvironmentMarine; demersal; depth range ? - 8 mClimateSubtropicalDistributionEastern Pacific: Revillagigedo Island, southeastern Alaska to southern California, USA; also off Baja California, Mexico.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesAquarium: public aquariumsResilienceLow, minimum population doubling time 4.5 - 14 years (Annual fecundity = 382) More gobies, blennies & dottybacksYellowhead jawfishOpistognathus aurifronsFire gobyNemateleotris magnificaYellow prawn-gobyCryptocentrus cinctusPersian blennyEcsenius midasMoustache jawfishOpistognathus lonchurusBanded jawfishOpistognathus macrognathusSee all gobies, blennies & dottybacks SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026