Actinopterygii (ray-finned fishes) >
Scorpaeniformes (Scorpionfishes and flatheads) >
Psychrolutidae (Fatheads)
Etymology: Cottunculus: Greek, kottos = a fish, diminutive.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Marine; bathydemersal; depth range 300 - 700 m (Ref. 58496). Deep-water; 82°N - 62°N
Arctic to Northeast Atlantic: Norwegian Sea, Kara Sea and the northern Greenland.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 19.0 cm TL male/unsexed; (Ref. )
Max. length (Andrey Dolgov, pers. comm., 2000).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Nielsen, J.G. and E. Bertelsen, 1992. Fisk i grønlandske farvande. Atuakkiorfik, Nuuk. 65 s. (Ref. 9925)
IUCN Red List Status (Ref. 120744)
CITES (Ref. 118484)
Not Evaluated
Threat to humans
Harmless
Human uses
More information
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
Age/SizeGrowthLength-weightLength-lengthLength-frequenciesMorphometricsMorphologyLarvaeLarval dynamicsRecruitmentAbundance
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
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Estimates based on models
Preferred temperature (Ref.
115969): -0.8 - 1.9, mean 0.8 (based on 218 cells).
Phylogenetic diversity index (Ref.
82805): PD
50 = 0.5039 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00389 (0.00180 - 0.00842), b=3.12 (2.94 - 3.30), in cm Total Length, based on all LWR estimates for this body shape (Ref.
93245).
Trophic Level (Ref.
69278): 3.6 ±0.3 se; Based on size and trophs of closest relatives
Vulnerability (Ref.
59153): Low vulnerability (10 of 100) .