Actinopterygii (ray-finned fishes) > Scorpaeniformes
(Scorpionfishes and flatheads) > Psychrolutidae
Etymology: Psychrolutes: Greek, psychroloutes = someone that has a cold bath (Ref. 45335). More on authors: Jordan & Starks.
Environment: milieu / climate zone / depth range / distribution range
Marine; demersal; depth range 0 - 225 m (Ref. 50610). Temperate; 66°N - 46°N
Northeast Pacific: Bering Sea to southern Puget Sound, Washington, USA.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 8.3 cm TL male/unsexed; (Ref. 2850)
Morphology | Morphometrics
soft rays: 14 - 15. Dorsal spines and rays covered with skin; caudal rounded; pelvic fins partly attached to body (Ref. 6885). Color variable, changing rapidly; translucent pink to gray or brown on dorsal surface, lighter on fins; pectoral fins pale or bright orange; some dark spots on fins and vague darker markings on body; sometimes spotted; eyes orange (Ref. 6885).
Occurs in rocky areas, among sponges; also found on soft bottoms (Ref. 2850).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | 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. 123251)
CITES (Ref. 118484)
Threat to humans
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates based on models
Preferred temperature (Ref. 115969
): 1.6 - 8.6, mean 5.6 °C (based on 233 cells).
Phylogenetic diversity index (Ref. 82805
= 0.5005 [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
): 3.2 ±0.5 se; based on size and trophs of closest relatives
Vulnerability (Ref. 59153
): Low vulnerability (10 of 100) .