Centrophorus granulosus, Gulper shark: fisheries

Centrophorus granulosus

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Centrophorus granulosus
Gulper shark

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Centrophorus granulosus (Bloch & Schneider, 1801)

Family:

Centrophoridae (Gulper sharks)

picture (Cegra_u0.jpg) by Wirtz, P.

Image for Centrophorus granulosus, Centrophoridae, Gulper shark.

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Order:

Squaliformes (bramble, sleeper and dogfish sharks)

Class:

Elasmobranchii (sharks and rays)

FishBase name:

Gulper shark

Max. size:

160 cm TL (male/unsexed; Ref. 6871)

Environment:

bathydemersal; marine; depth range 50 – 1440 m

Climate:

deep-water; 51°N - 43°S, 98°W - 156°E

Importance:

fisheries: minor commercial; price category: high; price reliability: reliable: based on ex-vessel price for this species

Resilience:

Low, minimum population doubling time 4.5 - 14 years (Fec assumed to be <100)

Vulnerability:

Very high vulnerability (85.71). (Ref. 59153)

Distribution:
Gazetteer

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).

Morphology:

Dorsal spines (total): 2 - 2; Anal spines: 0. Light grayish brown dorsally, paler ventrally; eyes greenish (Ref. 6871). Adults with tips of dorsal fins dusky, not prominently marked (Ref. 31367).

Biology:

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).

Red List Status:

Vulnerable (VU) (A2abd+3d+4d)(Ref. 57073)

Dangerous:

harmless

Coordinator:

Compagno, Leonard J.V.

Main Ref:

Compagno, L.J.V.. 1984. (Ref. 247)

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Note: No data available if label is black; please send relevant papers to: FishBase, MC P.O. Box 2631, 0718 Makati, Philippines, or attach files to 'Comments & Corrections' email below .

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Checked:
Garilao, Cristina V.

Modified:
Capuli, Estelita Emily

Entered:
Carpenter, Kent E.

Thessaloniki, Greece

	Ref.:		Glossary
		( e.g. 9948 )		( e.g. cephalopods )
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