Actinopterygii (ray-finned fishes) > Scorpaeniformes
(Scorpionfishes and flatheads) > Cottidae
Etymology: Stelgistrum: Greek, stelgis, -idos, stleggis = diminutive of strougis = brush (Ref. 45335). More on author: Andriashev.
Environment: milieu / climate zone / depth range / distribution range
Marine; demersal; depth range 10 - 50 m (Ref. 50610). Boreal
Pacific Ocean: western Bering Sea of Cape Olyutorskiy; Aleutian Islands and eastern Bering Sea at Pribilof Islands.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 5.1 cm SL male/unsexed; (Ref. 43939)
Morphology | Morphometrics
soft rays: 14 - 15. Pink in color; broad dusky bands extending to lateral line, one below spinous dorsal, three below soft dorsal, one on caudal peduncle, all with narrow bars extending ventrally from and between them (Ref. 43939). Caudal fin rounded.
Inhabits rocky bottoms; found among rocks covered with calcareous algae, kelp and other brown algae, and sea urchins (Ref. 43939).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Mecklenburg, C.W., T.A. Mecklenburg and L.K. Thorsteinson, 2002. Fishes of Alaska. American Fisheries Society, Bethesda, Maryland. xxxvii +1037 p. (Ref. 43939)
IUCN Red List Status (Ref. 120744)
CITES (Ref. 118484)
Threat to humans
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates based on models
Preferred temperature (Ref. 115969
): 1.6 - 6.4, mean 4 (based on 52 cells).
Phylogenetic diversity index (Ref. 82805
= 0.6250 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00891 (0.00344 - 0.02310), b=3.12 (2.89 - 3.35), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245
Trophic Level (Ref. 69278
): 3.2 ±0.3 se; Based on size and trophs of closest relatives
Resilience (Ref. 120179
): High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153
): Low vulnerability (25 of 100) .