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Urophycis tenuis  (Mitchill, 1814)

White hake
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Urophycis tenuis
Picture by Armesto, A.


United States (contiguous states) country information

Common names: Hake, Mud hake, White hake
Occurrence: native
Salinity: marine
Abundance: common (usually seen) | Ref: Cohen, D.M., T. Inada, T. Iwamoto and N. Scialabba, 1990
Importance: commercial | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Present in the continental shelf waters off the northeastern United States (Ref. 37512).
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: Cohen, D.M., T. Inada, T. Iwamoto and N. Scialabba, 1990
National Database:

Classification / Names

Actinopterygii (ray-finned fishes) > Gadiformes (Cods) > Phycidae (Phycid hakes)
Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL

Main reference

Size / Weight / Age

Max length : 133 cm TL male/unsexed; (Ref. 40637); 135.0 cm TL (female); common length : 70.0 cm TL male/unsexed; (Ref. 1371); max. published weight: 21.0 kg (Ref. 4699); max. reported age: 23 years (Ref. 796)

Length at first maturity
Lm 46.0, range 48 - ? cm

Environment

Marine; demersal; oceanodromous (Ref. 51243); depth range 100 - 1000 m (Ref. 5951), usually 100 - 247 m (Ref. 1371)

Climate / Range

Temperate, preferred 5°C (Ref. 107945); 66°N - 27°N, 81°W - 13°W

Distribution

Western Atlantic: Labrador and the Grand Banks of Newfoundland to the coast of North Carolina. Straying to Iceland in the east and Florida in the south.
Countries | FAO areas | Ecosystems | Occurrences | Introductions

Short description

Dorsal spines (total): 0; Anal spines: 0. Upper limb or first gill arch with 2 (rarely 3) rakers. First dorsal in with an elongated ray. Body color variable, dorsally various dark shades, paler laterally, sometimes bronze, belly pale dirty to yellow white; pelvic fin pale. A dusky blotch present on the opercle.

Biology     Glossary (e.g. epibenthic)

Found on soft, muddy bottoms of the continental shelf and upper slope. It is mostly found at 180 m. Mature fish migrate inshore in the northern Gulf of Maine in summer, disperse in autumn, and move into deepest areas in winter. Feed on small crustaceans, squids and small fish. Utilized fresh, smoked or frozen; eaten steamed, microwaved and baked (Ref. 9988). Exported to Europe (Ref. 9988).

IUCN Red List Status (Ref. 115185)

Threat to humans

  Harmless



Human uses

Fisheries: highly commercial; gamefish: yes

More information

Common names
Synonyms
Metabolism
Predators
Ecotoxicology
Reproduction
Maturity
Spawning
Fecundity
Eggs
Egg development
References
Aquaculture
Aquaculture profile
Strains
Genetics
Allele frequencies
Heritability
Diseases
Processing
Mass conversion
Collaborators
Pictures
Stamps, Coins
Sounds
Ciguatera
Speed
Swim. type
Gill area
Otoliths
Brains
Vision

Tools

Special reports

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Internet sources

Estimates of some properties based on models

Phylogenetic diversity index (Ref. 82805)
PD50 = 0.5044 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Trophic Level (Ref. 69278)
4.3   ±0.5 se; Based on diet studies.

Resilience (Ref. 69278)
Low, minimum population doubling time 4.5 - 14 years (K=0.11; tm=2; tmax=23; Fec=1 million)

Vulnerability (Ref. 59153)
High to very high vulnerability (72 of 100)
Price category (Ref. 80766)
Low