Actinopterygii (ray-finned fishes) > Scorpaeniformes
(Scorpionfishes and flatheads) > Cottidae
Etymology: Triglops: Greek, trigla, es = red mullet + greek, ops = appearance (Ref. 45335).
Environment: milieu / climate zone / depth range / distribution range
Marine; demersal; depth range 0 - 930 m (Ref. 58496), usually 18 - 91 m (Ref. 2850). Temperate; 79°N - 41°N
Arctic: Alaskan Beaufort Sea (Ref. 28503). North Pacific: Japan through the Aleutian chain and the Bering Sea to Washington, USA. North Atlantic: Cape Cod, USA to Greenland, Spitzbergen, and Denmark (Ref. 27436). Northwest Atlantic: Canada (Ref. 5951).
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 20.0 cm TL male/unsexed; (Ref. 7297); 20.2 cm SL (female)
Found on mud bottoms with some rocks (Ref. 4698). Maximum depth reported at 930 m (58426). Benthic to epibenthic (Ref. 58426). Feeds on small crustaceans, usually amphipods and mysids, rarely polychaetes and fishes (Ref. 4698).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Pietsch, T.W., 1993. Systematics and distribution of cottid fishes of the genus Triglops Reinhardt (Teleostei: Scorpaeniformes). Zool. J. Linn. Soc. 109:335-393. (Ref. 7297)
IUCN Red List Status (Ref. 115185)
CITES (Ref. 115941)
Threat to humans
Fisheries: of no interest
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates of some properties based on models
Preferred temperature (Ref. 115969
): -1.6 - 6.7, mean 0.4 (based on 4342 cells).
Phylogenetic diversity index (Ref. 82805
= 0.5010 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00525 (0.00315 - 0.00874), b=3.04 (2.89 - 3.19), in cm Total Length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245
Trophic Level (Ref. 69278
): 3.4 ±0.3 se; Based on diet studies.
Resilience (Ref. 69278
): Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153
): Moderate vulnerability (42 of 100) .