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. 120744)
CITES (Ref. 115941)
Threat to humans
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates of some properties based on models
Preferred temperature (Ref. 115969
): 1.6 - 8.6, mean 5.6 (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
Resilience (Ref. 69278
Vulnerability (Ref. 59153
): Low vulnerability (10 of 100) .