Russian Federation country information

Common names: ерш аляскинский, окунь аляскинский, Шипощек аляскинский
Occurrence: native
Salinity: marine
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Known from the Okhotsk Sea (Ref. 27436).
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/rs.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Allen, M.J. and G.B. Smith, 1988
National Database:

Common names from other countries

Chancharro alacrán, Шипощек аляскинский, Rocote alacrán, ... more

Klassifizierung / Names Namen | Synonyme | Catalog of Fishes(Gattung, Arten) | ITIS | CoL | WoRMS | Cloffa

> Perciformes/Scorpaenoidei (Scorpionfishes) > Sebastidae (Rockfishes, rockcods and thornyheads) > Sebastolobinae
Etymology: Sebastolobus: Greek, sebastes = august, venerable + Greek, lobos = lobe (Ref. 45335); alascanus: Species name after Alaska, the type locality (Ref. 27436).
More on author: Bean.

Environment: milieu / climate zone / depth range / distribution range Ökologie

seewasser demersal; tiefenbereich 17 - 1600 m (Ref. 50550), usually 91 - ? m (Ref. 2850). Temperate

Verbreitung Länder | FAO Gebiete | Ecosystems | Vorkommen | Point map | Einführungen | Faunafri

North Pacific: Sea of Okhotsk north to the Navarin Canyon in the Bering Sea and from Stalemate Bank and Ulm Plateau in the Aleutian Islands southeast to Cedros Island, Baja California, Mexico. Reported from Japan (Ref. 559).

Length at first maturity / Size / Gewicht / Alter

Maturity: L_m 22.0 range ? - ? cm
Max length : 80.0 cm SL Männchen/unbestimmt; (Ref. 559); max. veröff. Gewicht: 9.0 kg (Ref. 56527); max. veröff. Alter: 100 Jahre (Ref. 90032)

Kurzbeschreibung Bestimmungsschlüssel | Morphologie | Morphometrie

Rückenflossenstacheln (insgesamt) : 15 - 17; Rückenflossenweichstrahlen (insgesamt) : 8 - 9; Afterflossenstacheln: 3; Afterflossenweichstrahlen: 4 - 5. Head spines very strong - nasal, preocular, supraocular, postocular, tympanic, parietal and nuchal spines present, coronal spines absent; large head and elongate body; strong spiny ridge on head; 3rd dorsal spine not much longer than 2nd, 4th or 5th; strong notch on pectoral fin (Ref. 27437). Bright red with some black on fins; gill chamber mostly pale (Ref. 27437). Caudal slightly rounded (Ref. 6885).

Very common on soft bottoms (Ref. 2850). Oviparous (Ref. 205). Eggs are extruded in floating gelatinous masses (Ref. 31279). Have a thick glandular tissue on posterior margin of fin spines which is believed to be venomous (Ref. 57406). Rarely taken by game fishers (Ref. 27436). Flesh sweeter than that of other rockfishes (Ref. 27436).

Life cycle and mating behavior Maturities | Fortpflanzung | Spawnings | Egg(s) | Fecundities | Larven

Unlike other representatives of this group, this species has internal fertilization Oviparous (Ref. 6885). Females possess specialized ovarian structures including stalk-like ovigerous lamellae and secretory epithelia (Ref. 32832).

Hauptreferenz Upload your references | Referenzen | Koordinator | Partner

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 Rote Liste Status (Ref. 130435)

stark gefährdet (EN) (A2d); Date assessed: 01 January 2000

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Bedrohung für Menschen

Venomous (Ref. 57406)

Nutzung durch Menschen

Fischereien: weniger kommerziell

FAO(Fischereien: production; publication : search) | FishSource | Sea Around Us

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Trophic ecology
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Ecology
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Population dynamics
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Estimates based on models

Preferred temperature (Ref. 115969): 1.2 - 6.7, mean 3.8 (based on 417 cells).

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.6250 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00708 (0.00408 - 0.01228), b=3.16 (3.00 - 3.32), in cm Total Length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245).

Trophic level (Ref. 69278): 3.6 ±0.3 se; based on diet studies.

Widerstandsfähigkeit (Ref. 120179): sehr niedrig, Verdopplung der Population dauert mehr als 14 Jahre. (tmax> 100 (validated age: 62 yrs); tm= 13; Fec > 10,000).

Prior r = 0.03, 95% CL = 0.02 - 0.05, Based on 2 full stock assessments.

Fishing Vulnerability (Ref. 59153): High vulnerability (59 of 100).

Climate Vulnerability (Ref. 125649): Moderate vulnerability (38 of 100).

Preiskategorie (Ref. 80766): Very high.

Sebastolobus alascanus Bean, 1890