Actinopterygii (ray-finned fishes) > Scorpaeniformes
(Scorpionfishes and flatheads) > Sebastidae
(Rockfishes, rockcods and thornyheads) > Sebastinae
Etymology: Sebastes: Greek, sebastes = august, venerable (Ref. 45335); jordani: Named after David Starr Jordan, eminent U.S. ichthyologist and educator (Ref. 6885).
Environment: milieu / climate zone / depth range / distribution range
Marine; demersal; depth range 0 - 350 m (Ref. 6793). Subtropical; 60°N - 30°N, 150°W - 115°W
Eastern Pacific: Vancouver Island in British Columbia, Canada to northern Baja California, Mexico. Reported from Granite Island, off Kenai Peninsula, Alaska (Ref. 27437).
Length at first maturity / Size / Weight / Age
Maturity: Lm 14.0, range 12 - ? cm
Max length : 32.0 cm TL male/unsexed; (Ref. 2850); max. reported age: 31 years (Ref. 39247)
Morphology | Morphometrics
soft rays: 8 - 11;
Vertebrae: 26. Head spines weak - nasal, preocular, postocular, tympanic and parietal spines present, supraocular, coronal and nuchal spines absent (Ref. 27437). Body slender and elongate; vent midway between origins of pelvic and anal fins (Ref. 27437). Posterior margin of caudal fin deeply indented (Ref. 6885). Greenish pink dorsally, fading to light ventrally (Ref. 27437). Branchiostegal rays: 7 (Ref. 36715).
Found in a wide range of habitats, sometimes in large schools well offshore and off bottom (Ref. 2850). Juveniles are pelagic (Ref. 36715). Adults feed on planktonic animals, mainly krill (Ref. 2850). Viviparous, with planktonic larvae (Ref. 36715). A very important prey species for predatory fishes and marine mammals (Ref. 2850). Not marketed due to its small size (Ref. 2850).
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. 115185)
CITES (Ref. 115941)
Threat to humans
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates of some properties based on models
Preferred temperature (Ref. 115969
): 7 - 9.7, mean 8.2 (based on 40 cells).
Phylogenetic diversity index (Ref. 82805
= 0.5000 [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 ±0.35 se; Based on food items.
Resilience (Ref. 69278
): Medium, minimum population doubling time 1.4 - 4.4 years (tm=2.5; K=0.18-0.30; tmax=31, Fec=7,000).
Prior r = 0.44, 2 SD range = 0.25 - 0.78, log(r) = -0.82, SD log(r) = 0.28, Based on: 3 K, 5 tgen, 2 tmax, 3 Fec records
Vulnerability (Ref. 59153
): Moderate vulnerability (43 of 100) .