channel bull blenny
Cottoperca gobio
Bottom fish of the far south of South America, from Chilean and Argentine Patagonia, exploited by commercial fishing. It reaches 80 cm.
Also called: peixe-touro-dos-canais, toro de los canales, torito de los canales, channel bull blenny
- maximum
- 80 cm
who is the channel bull blenny
The channel thornfish belongs to the family Bovichtidae and reaches 80 cm. It is a bottom fish, with demersal life, that lives in the far south of South America, in Chilean and Argentine Patagonia, with records also in Uruguay. It has a normally shaped, spindle-shaped body, with the dorsal fin supported by firm spines at the front. It is usually exploited by commercial fishing and does not appear in sport fishing.
Essential profile. Identification, where it occurs and rules, with data from FishBase and the cited regulations. Season, time of day, technique and bait are added once we have a good source for the channel bull blenny.
identification
Bottom fish with a normally shaped, spindle-shaped body. The dorsal fin has a front part supported by firm spines and a rear part of soft rays, and the anal fin has no spines, only soft rays. It lives in the far south, in cold Patagonian waters, and the region and type of bottom help identify it.
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Each card shows the day's index (0 to 100) and, below it, a strip with the index for each hour, from 0h to 23h. from poor to excellent.
Essential profile: the index uses a general fish model (weather, sun, moon and tide), without a season or time of day specific to this species.
where found
Occurs in Chilean and Argentine Patagonia and Uruguay, on marine bottoms of the far south of South America.
Habitat: Marine bottoms of the far south, with demersal life.
rules for the channel bull blenny
Summary of the regulations we found, with the source for each. Rules change; before keeping or transporting fish, check with the state environmental agency.
We found no species-specific rule beyond the region's general rules.
catch and release
catch and release Releasing the fish alive, quickly and with a wet hand. During a closed season it isn't always allowed: what the regulation says applies.
Not dangerous to anglers. Since it is a bottom fish, handle it carefully when releasing it.
how much it weighs without taking it out of the water
Length-weight relationship W = a·Lb (a = 0.01122, b = 3.04; FishBase (relação peso-comprimento bayesiana, estimativa)). It's an average: a fat or lean fish can vary by 10% to 20%.
estimated weight
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sources and references
Essential profile: size, length-weight, depth, countries and conservation come from FishBase and the cited regulations, and the texts were written from those sources. Season, time of day, sensitivities, technique and baits and lures are not included yet, because we did not find a good source for this species.
- scientific FishBase: Cottoperca gobio (ficha da espécie)Size, length-weight, depth, habitat, distribution, biology, and IUCN status. Page checked on Oct 13, 2026.
- scientific FishBase: nomes populares de Cottoperca gobioNames by country and language.