HomeFish encyclopediaRay-finned fishesPerch-like fishThornfishesChannel bull blenny Channel bull blenny (Cottoperca gobio) Scientific name: Cottoperca gobio G?nther, 1861 The Channel bull blenny (Cottoperca gobio) is a marine fish of the family Bovichtidae. Native range: Southeast Pacific and Southwest Atlantic, Patagonian region of Chile and Argentina. BiologyDorsal spines (total): 7 - 8; Dorsal soft rays (total): 21-23; Anal spines: 0; Anal soft rays: 21 - 23Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameCottoperca gobioFamilyBovichtidae (Thornfishes)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length80.0Common length33.9EnvironmentMarine; demersalClimateSubtropicalDistributionSoutheast Pacific and Southwest Atlantic: Patagonian region of Chile and Argentina.Conservation status (IUCN)Not EvaluatedThreat to humansHarmless SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026