Environment: milieu / climate zone / depth range / distribution range
Écologie
marin; saumâtre démersal; profondeur 0 - 620 m (Ref. 58426), usually 0 - 100 m (Ref. 9926). Polar; 84°N - 51°N, 180°W - 180°E
Arctic to Northwest Atlantic: Bering Strait to Labrador in Canada. Also found in the estuary of the St. Lawrence River in Canada (Ref. 4926).
Taille / Poids / Âge
Maturity: Lm ?  range ? - ? cm
Max length : 16.0 cm TL mâle / non sexé; (Ref. 7251)
Commonly lives in large clusters of kelp (Ref. 7251). It prefers bottom types like pebbles, stones or boulders, mud and sand (Ref. 5951). Benthic species. Feeds on crustaceans (Ref. 58426); especially amphipods (Ref. 5951).
Life cycle and mating behavior
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
Robins, C.R. and G.C. Ray, 1986. A field guide to Atlantic coast fishes of North America. Houghton Mifflin Company, Boston, U.S.A. 354 p. (Ref. 7251)
Statut dans la liste rouge de l'IUCN (Ref. 130435)
Menace pour l'homme
Harmless
Utilisations par l'homme
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Estimates based on models
Preferred temperature (Ref.
123201): -1.8 - 0.8, mean -1.2 °C (based on 6424 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01122 (0.00557 - 0.02258), b=3.07 (2.89 - 3.25), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
Niveau trophique (Ref.
69278): 3.5 ±0.50 se; based on food items.
Résilience (Ref.
120179): Milieu, temps minimum de doublement de population : 1,4 à 4,4 années (Assuming tmax=3-10).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).