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Centrophorus
granulosus
(Bloch & Schneider, 1801)
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Famille:
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Centrophoridae
()
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picture (Cegra_u0.jpg) by Wirtz, P.
Carte par point |
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Ordre:
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Squaliformes
(Squales)
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Classe:
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Élasmobranches (requins et raies)
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Nom FishBase:
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Gulper shark |
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Taille max.:
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160 cm TL (mâle / non sexé; Ref. 6871) |
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Environnement: |
bathydémersal; Marin; profondeur 50 – 1440 m
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Climat: |
Eaux-profondes; 51°N - 43°S, 98°W - 156°E |
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Importance:
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pêcheries: intérêt commercial mineur; price category: high; price reliability: reliable: based on ex-vessel price for this species |
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Résilience: |
Faible, temps minimum de doublement de population : 4,5 à 14 années (Fec assumed to be <100) |
| Vulnerability: |
Very high vulnerability (85.71). (Ref. 59153)
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| Traduction: |
See machine translation of the following fields (Distribution, Morphologie, Biologie) by ECMT.
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Distribution:
Gazetteer
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Eastern Atlantic: France to South Africa, including the Mediterranean (Ref. 31367). Western Central Atlantic: northern Gulf of Mexico (Ref. 247, 6871). Indian Ocean: Mozambique, South Africa and the Aldabra Islands (Ref. 31367); Western Australia (Ref. 6871). Western Pacific: Japan, Papua New Guinea, and Australia (Ref. 31367).
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Morphologie:
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Épines dorsales (Total): 2 - 2; Épines anales 0. Light grayish brown dorsally, paler ventrally; eyes greenish (Ref. 6871). Adults with tips of dorsal fins dusky, not prominently marked (Ref. 31367).
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Biologie: |
A common deepwater dogfish of the outer continental shelves and upper slopes, commonest below 200 m (Ref. 247); usually benthic and epibenthic at depths from 50-1440 m with most records from 200-600 m (Compagno, pers. comm. 07/07). Solitary (Ref. 26340). Feeds mainly on bony fishes such as hake, epigonids, lanternfish, herring, smelts, cods, rattails, squid and crustaceans (Ref. 247, IUCN workshop 07/07). Ovoviviparous (Ref. 50449). Marketed smoked and dried salted for human consumption; also processed into fishmeal and a source of liver oil for squalene (Ref. 247). Number of litter recorded, one in Mediterranean females, and possibly 1 or 2 for the species. Males still immature at 45-58 cm, fully at 80-94 cm, suggesting maturity at 60-80 cm DW; females immature at 42-96 cm This species is fished in Eastern Atlantic by bottom trawls, long lines, fixed bottom nets, hook and line and pelagic trawls; caught and discarded, or utilised from by-catch fisheries (IUCN discussion 07/07).
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Statut dans la Liste Rouge: |
(VU) (A2abd+3d+4d)(Ref. 57073)
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Dangereux:
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inoffensif
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Coordinateur: |
Compagno, Leonard J.V.
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Réf. Princ.: |
Compagno, L.J.V.. 1984. (Ref. 247)
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