Canada country information

Common names: Rock cod, Shortspine channel rockfish, Shortspine thornyhead
Occurrence: native
Salinity: marine
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Common off British Columbia, including the Juan de Fuca Strait, Strait of Georgia, and Queen Charlotte Sound (Ref. 6885). Also Ref. 93933, 95143.
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/ca.html
National Fisheries Authority: http://www.ncr.dfo.ca/home_e.htm
Occurrences: Occurrences Point map
Main Ref: Clemens, W.A. and G.V. Wilby, 1961
National Database:

Common names from other countries

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

Classification / Names Nombres comunes | Sinónimos | Catalog of Fishes(Género, Especie) | 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 Ecología

marino demersal; rango de profundidad 17 - 1600 m (Ref. 50550), usually 91 - ? m (Ref. 2850). Temperate

Distribución Países | Áreas FAO | Ecosistemas | Ocurrencias, apariciones | Point map | Introducciones | 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 / Tamaño / Peso / Age

Maturity: L_m 22.0 range ? - ? cm
Max length : 80.0 cm SL macho / no sexado; (Ref. 559); peso máximo publicado: 9.0 kg (Ref. 56527); edad máxima reportada: 100 años (Ref. 90032)

Short description Claves de identificación | Morfología | Morfometría

Espinas dorsales (total) : 15 - 17; Radios blandos dorsales (total) : 8 - 9; Espinas anales: 3; Radios blandos anales: 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 | Reproducción | Spawnings | Egg(s) | Fecundities | Larva

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).

Main reference Upload your references | Referencias | Coordinador | Colaboradores

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. 130435)

Endangered (EN) (A2d); Date assessed: 01 January 2000

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Venomous (Ref. 57406)

Human uses

Pesquerías: escaso valor comercial

FAO(pesquerías: producción; publication : search) | FishSource | Sea Around Us

Más información

Trophic ecology
componentes alimenticios
Diet compositions
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Ecology
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Population dynamics
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Length-weight rel.
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Life cycle
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Egg(s)
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Distribution
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Anatomy
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Physiology
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Perfiles de acuicultura
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Taxonomy
Nombres comunes
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References
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Check for Aquarium maintenance | Check for Species Fact Sheets | Check for Aquaculture Fact Sheets

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Summary page | Datos específicos | Nombres comunes | Photos

Fuentes de Internet

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).

Nivel trófico (Ref. 69278): 3.6 ±0.3 se; based on diet studies.

Resiliencia (Ref. 120179): Muy bajo, población duplicada en un tiempo mínimo superior a 14 años (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).

Price category (Ref. 80766): Very high.

Sebastolobus alascanus Bean, 1890