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Sebastes entomelas  (Jordan & Gilbert, 1880)

Widow rockfish
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Native range | All suitable habitat | Point map | Year 2100
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Sebastes entomelas   AquaMaps   Data sources: GBIF OBIS
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Image of Sebastes entomelas (Widow rockfish)
Sebastes entomelas
Picture by Nichols, J.


United States (contiguous states) country information

Common names: Brown bomber, Brownie, Rockfish
Occurrence: native
Salinity: marine
Abundance: | Ref:
Importance: commercial | Ref: Kramer, D.E. and V.M. O'Connell, 1995
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Taken commercially by the midwater trawl fishery operating from Washington to California (Ref. 27437). Also Ref. 5488, 6885, 9988.
National Checklist:
Country Information: httpss://www.cia.gov/library/publications/resources/the-world-factbook/geos/us.html
National Fisheries Authority: https://www.nmfs.gov
Occurrences: Occurrences Point map
Main Ref: Williams, E.H. and S. Ralston, 2002
National Database:

Classification / Names

Actinopterygii (ray-finned fishes) > Scorpaeniformes (Scorpionfishes and flatheads) > Sebastidae (Rockfishes, rockcods and thornyheads) > Sebastinae
Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL

Common names from other countries

Main reference

Size / Weight / Age

Max length : 60.0 cm TL male/unsexed; (Ref. 9015); max. reported age: 60 years (Ref. 39247)

Length at first maturity
Lm 36.0, range 29 - ? cm

Environment

Marine; pelagic-neritic; depth range 0 - 549 m (Ref. 27437)

Climate / Range

Temperate, preferred 8°C (Ref. 107945); 60°N - 32°N

Distribution

Northeast Pacific: middle Albatross Bank in the Gulf of Alaska to Todos Santos Bay, Baja California, Mexico.
Countries | FAO areas | Ecosystems | Occurrences | Introductions

Short description

Dorsal spines (total): 13; Dorsal soft rays (total): 14-16; Anal spines: 3; Anal soft rays: 8 - 10. Head spines weak - nasal, preocular spines present, parietals usually present, supraocular, postocular and tympanic spines usually absent, coronal and nuchal spines absent (Ref. 27437). Interorbital space convex, sloped; no symphyseal knob; caudal peduncle narrow; anal fin with a strong posterior slant (Ref. 27437). Caudal fin indented (Ref. 6885). Gold brown to dusky, light ventrally; membranes of fins dark, lighter on spinous dorsal (Ref. 27437).

Biology     Glossary (e.g. epibenthic)

A generally active and free-swimming rockfish found in midwater above a rocky reef or steep shoreline; occasionally huddling motionless among caves and crevices (Ref. 27436). Young are found in shallow water (Ref. 2850). Form schools (Ref. 2850). Feed mostly on small pelagic crustaceans and fishes (Ref. 2850). Viviparous (Ref. 34817). Marketed fresh and frozen; eaten pan-fried, boiled, microwaved and baked (Ref. 9988).

IUCN Red List Status (Ref. 115185)

Threat to humans

  Harmless



Human uses

Fisheries: commercial; gamefish: yes; aquarium: commercial

More information

Common names
Synonyms
Metabolism
Predators
Ecotoxicology
Reproduction
Maturity
Spawning
Fecundity
Eggs
Egg development
Age/Size
Growth
Length-weight
Length-length
Length-frequencies
Morphometrics
Morphology
Larvae
Larval dynamics
Recruitment
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References
Aquaculture
Aquaculture profile
Strains
Genetics
Allele frequencies
Heritability
Diseases
Processing
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Ciguatera
Speed
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Gill area
Otoliths
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Internet sources

Estimates of some properties based on models

Phylogenetic diversity index (Ref. 82805)
PD50 = 0.5000 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Trophic Level (Ref. 69278)
3.7   ±0.3 se; Based on diet studies.

Resilience (Ref. 69278)
Very Low, minimum population doubling time more than 14 years (tm=6; tmax=60; also Musick et al. 2000 (Ref. 36717))

Vulnerability (Ref. 59153)
High vulnerability (65 of 100)
Price category (Ref. 80766)
Low