Actinopteri (ray-finned fishes) > Perciformes/Cottoidei
() > Hexagrammidae
(Greenlings) > Hexagramminae
Etymology: Hexagrammos: Greek, exa = six + greek, gramma = letter,signal (Ref. 45335); stelleri: Named after G.W. Steller, naturalist with C.J. Bering's voyage of discovery (Ref. 6885).
Environment: milieu / climate zone / depth range / distribution range
Marine; demersal; depth range 0 - 300 m (Ref. 50550). Temperate; 66°N - 42°N
North Pacific: Peter the Great Bay, Russia and the Sea of Japan to Cape Lisburne in the Chukchi Sea, Unimak Island in the Aleutian chain and Oregon, USA.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 48.0 cm TL male/unsexed; (Ref. 2850); max. published weight: 1.6 kg (Ref. 27436)
Ranges from the intertidal zone to 175 m depth, possibly to 475 m (Ref. 6793). Found near rocks, pilings and eelgrass beds (Ref. 2850). Feed on worms, crustaceans, and small fishes (Ref. 6885). Neither anterolateral glandular groove nor venom gland is present (Ref. 37773).
Male guards egg mass.
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. 123416)
Threat to humans
Fisheries: minor commercial; gamefish: yes; aquarium: public aquariums
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates based on models
Preferred temperature (Ref. 115969
): 1 - 7.9, mean 4 °C (based on 416 cells).
Phylogenetic diversity index (Ref. 82805
= 0.5159 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00692 (0.00366 - 0.01307), b=3.16 (2.99 - 3.33), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245
Trophic level (Ref. 69278
): 3.4 ±0.42 se; based on food items.
Resilience (Ref. 120179
): Medium, minimum population doubling time 1.4 - 4.4 years (Fec=6,679-38,408).
Vulnerability (Ref. 59153
): Moderate vulnerability (39 of 100) .