Teleostei (teleosts) >
Perciformes/Zoarcoidei (Eelpouts and pricklebacks) >
Lumpenidae (Eel pricklebacks)
Etymology: Anisarchus: Greek, anisos = unequal + Greek, archos = anus (Ref. 45335).
Environment: milieu / climate zone / depth range / distribution range
Ecology
Marine; demersal; depth range 10 - 300 m (Ref. 50550), usually 30 - 100 m (Ref. 10571). Polar; 85°N - 41°N, 180°W - 180°E
North Pacific: Bering Sea to Japan and southeastern Alaska. Northwest Atlantic: Arctic to western Greenland and Labrador, Canada. Northeast Atlantic: Norway, Russia and Spitsbergen (Ref. 10571).
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 30.0 cm TL male/unsexed; (Ref. 56557); common length : 12.0 cm TL male/unsexed; (Ref. 10571)
Dorsal soft rays (total): 0. Caudal fin rounded (Ref. 10571). Body light yellowish, usually with faint darker patches (Ref. 10571).
Found on muddy bottoms, generally preferring water below 0°C and salinities above 30 ppt. (Ref. 10571). Benthic (Ref. 58426). Feeds on small benthic invertebrates (Ref. 10571).
Life cycle and mating behavior
Maturities | Reproduction | Spawnings | Egg(s) | Fecundities | Larvae
Eschmeyer, W.N., E.S. Herald and H. Hammann, 1983. A field guide to Pacific coast fishes of North America. Boston (MA, USA): Houghton Mifflin Company. xii+336 p. (Ref. 2850)
IUCN Red List Status (Ref. 130435)
Threat to humans
Harmless
Human uses
Tools
Special reports
Download XML
Internet sources
Estimates based on models
Preferred temperature (Ref.
123201): -1.6 - 4.1, mean -0.6 °C (based on 2071 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00324 (0.00161 - 0.00648), b=2.95 (2.77 - 3.13), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
Trophic level (Ref.
69278): 3.2 ±0.36 se; based on food items.
Resilience (Ref.
120179): Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (20 of 100).