HomeFish encyclopediaRay-finned fishesCusk eelsCusk-eelsBlotchfin cusk eel Blotchfin cusk eel (Lepophidium stigmatistium) Scientific name: Lepophidium stigmatistium Gilbert, 1890 The Blotchfin cusk eel (Lepophidium stigmatistium) is a marine fish of the family Ophidiidae. Native range: Eastern Central Pacific, Gulf of California and outer coast of Baja California. BiologyDorsal spines (total): 0; Dorsal soft rays (total): 122-130; Anal spines: 0; Anal soft rays: 99 - 109; Vertebrae: 68 - 71. Rostral spine long and curved, reaching tip of snout, without vertical basal component; peritoneum pale; no median basibranchial tooth patch; head extensively covered with imbricate rows of cycloid scales except for snout and throat; body tapering to point, dagger-shaped. Body rather uniformly pigmented, slightly paler below or with only a series of dark dashes along lateral line or markings confined to vertical fins; gill chamber black, esophagus dusky, oral cavity pale; dorsal fin with dark spots between rays number 4-14;. Branchiostegal rays: 7. Pelvic fin consists of one ray with two branches of unequal length.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameLepophidium stigmatistiumFamilyOphidiidae (Cusk-eels)OrderOphidiiformes (Cusk eels)ClassActinopterygii (Ray-finned fishes)Maximum length23.6Depth range20–238 m (66–781 ft)EnvironmentMarine; demersal; depth range 20 - 238 mClimateSubtropicalDistributionEastern Central Pacific: Gulf of California and outer coast of Baja California.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