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Centroscymnus coelolepis  Barbosa du Bocage & de Brito Capello, 1864

Portuguese dogfish
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Centroscymnus coelolepis
Picture by Cambraia Duarte, P.M.N. (c)ImagDOP


Faeroe Islands country information

Common names: Glíggjháur, Glíggjhávur
Occurrence: native
Salinity: marine
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Two males 88 and 93 cm long were caught 14 Aug. 1902 from "M.Sars" at the Faroe Bank, depth 750 m. 8 males 87-99 cm and 5 females 92-128 cm long were taken on greatline 21 July 1956, 60°48'N.11°28'W, depth 500 fathoms.
National Checklist:
Country Information: httpss://www.cia.gov/library/publications/resources/the-world-factbook/geos/fo.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Joensen, J.S. and Å. Vedel Tåning, 1970
National Database:

Classification / Names

Elasmobranchii (sharks and rays) > Squaliformes (Bramble, sleeper and dogfish sharks) > Somniosidae (Sleeper sharks)
Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL

Main reference

Size / Weight / Age

Max length : 120 cm TL male/unsexed; (Ref. 6871); common length : 92.0 cm TL male/unsexed; (Ref. 247)

Length at first maturity
Lm 101.2, range 100 - ? cm

Environment

Marine; bathydemersal; depth range 150 - 3700 m (Ref. 55584), usually 400 - 2000 m (Ref. 35388)

Climate / Range

Deep-water; 5°C - 13°C (Ref. 6871), preferred 20°C (Ref. 107945); 75°N - 61°S, 98°W - 147°E

Distribution

Western Atlantic: Grand Banks to Delaware, USA; Cuba (Ref. 26340). Eastern Atlantic: Iceland south along Atlantic slope to the southwestern Cape coast of South Africa; also western Mediterranean. Western Pacific: off Japan, New Zealand, and Australia (Ref. 6871, 31367). Western Indian Ocean: Seychelles (Ref. 76802).
Countries | FAO areas | Ecosystems | Occurrences | Introductions

Short description

Dorsal spines (total): 2; Dorsal soft rays (total): 0; Anal spines: 0; Anal soft rays: 0. Dorsal fins with very small spines, very short snout, lanceolate upper teeth and bladelike lower teeth with short, oblique cusps, stocky body that does not taper abruptly from pectoral region, very large lateral trunk denticles with smooth, circular, acuspidate crowns in adults and subadults (Ref. 247). Uniformly golden brown to dark brown in color (Ref. 6871).

Biology     Glossary (e.g. epibenthic)

Found on continental slopes and abyssal plains (Ref. 6871). Feeds mainly on fish (including sharks) and cephalopods (Ref. 6871), also gastropods and cetacean meat (Ref. 5578). Ovoviviparous (Ref. 205), with 13 to 29 young per litter, born at 27-31 cm (Ref. 26346). Utilized as fishmeal, dried and salted for human consumption, or as a source of squalene (Ref. 6871).

IUCN Red List Status (Ref. 115185)

Threat to humans

  Harmless



Human uses

Fisheries: minor commercial

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

Download XML

Internet sources

BHL | BOLDSystems | Check for other websites | Check FishWatcher | CISTI | DiscoverLife | ECOTOX | FAO(fisheries: production; publication : search) | FIRMS (Stock assessments) | GenBank(genome, nucleotide) | GOBASE | Google Books | Google Scholar | Google | IGFA World Record | iSpecies | National databases | PubMed | 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 = 0.5313 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Trophic Level (Ref. 69278)
4.5   ±0.1 se; Based on diet studies.

Resilience (Ref. 69278)
Very Low, minimum population doubling time more than 14 years (Fec=13-29)

Vulnerability (Ref. 59153)
Very high vulnerability (75 of 100)
Price category (Ref. 80766)
Low