You can sponsor this page

Glyptocephalus zachirus  Lockington, 1879

Rex sole
Add your observation in Fish Watcher
Upload your photos and videos
Pictures | Google image
Image of Glyptocephalus zachirus (Rex sole)
Glyptocephalus zachirus
Picture by Archipelago Marine Research Ltd.


United States (contiguous states) country information

Common names: Long-finned sole, Rex sole, Rex sole
Occurrence: native
Salinity: marine
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Also Ref. 6793, 6885, 27436, 114929.
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: Eschmeyer, W.N., E.S. Herald and H. Hammann, 1983
National Database:

Classification / Names

Actinopterygii (ray-finned fishes) > Pleuronectiformes (Flatfishes) > Pleuronectidae (Righteye flounders) > Pleuronectinae
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. 56527); common length : 36.0 cm TL male/unsexed; (Ref. 56527); max. published weight: 2.0 kg (Ref. 56527); max. reported age: 27 years (Ref. 55701)

Length at first maturity
Lm ?  range ? - ? cm

Environment

Marine; demersal; depth range 0 - 900 m (Ref. 50610), usually 61 - 500 m (Ref. 2850)

Climate / Range

Temperate, preferred 6°C (Ref. 107945); 65°N - 28°N, 155°E - 115°W

Distribution

North Pacific: from Kuril Island to Bering Sea coasts of Russia and Alaska (Ref. 27436) to Cedros Island, northern Baja California, Mexico.
Countries | FAO areas | Ecosystems | Occurrences | Introductions

Short description

Dorsal spines (total): 0; Dorsal soft rays (total): 87-110; Anal spines: 0; Anal soft rays: 78 - 93; Vertebrae: 62 - 65. Dorsal origin above middle of upper eye. Posterior margin of caudal like a 'V'. Pectoral on eyed side greatly elongated.

Biology     Glossary (e.g. epibenthic)

A slow-growing species found on sand or mud bottoms (Ref. 2850). Usually discarded by trawlers but sometimes processed into fertilizer (Ref. 27436). Flesh considered tasty (Ref. 27436). Utilized fresh and frozen; eaten steamed, fried, microwaved and baked (Ref. 9988).

IUCN Red List Status (Ref. 115185)

Threat to humans

  Harmless



Human uses

Fisheries: 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
Abundance
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

Download XML

Internet sources

BHL | Check for other websites | Check FishWatcher | CISTI | DiscoverLife | ECOTOX | FAO(fisheries: production; publication : search) | GenBank(genome, nucleotide) | GOBASE | Google Books | Google Scholar | Google | IGFA World Record | iSpecies | PubMed | RFE Identification | Scirus | Sea Around Us | SeaLifeBase | Tree of Life | uBio | uBio RSS | Wikipedia(Go, Search) | World Records Freshwater Fishing | Zoological Record | Fishtrace

Estimates of some properties based on models

Phylogenetic diversity index (Ref. 82805)
PD50 = 0.6250 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Trophic Level (Ref. 69278)
3.3   ±0.1 se; Based on diet studies.

Resilience (Ref. 69278)
Low, minimum population doubling time 4.5 - 14 years (tm=3-6; tmax=27)

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