Centrophorus granulosus, Gulper shark : fisheries

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Centrophorus granulosus (Bloch & Schneider, 1801)

Gulper shark
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Centrophorus granulosus   AquaMaps   Data sources: GBIF OBIS
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Image of Centrophorus granulosus (Gulper shark)
Centrophorus granulosus
Picture by Murch, A.

Classification / Names Κοινά ονόματα | Συνώνυμα | Catalog of Fishes(Γένος, Είδη) | ITIS | CoL | WoRMS | Cloffa

Ελασμοβράγχιοι (καρχαρίες και σαλάχια) (sharks and rays) > Squaliformes (Sleeper and dogfish sharks) > Centrophoridae (Gulper sharks)
Etymology: Centrophorus: centr[um] (L.), prickle or sharp point; phorus, from phoreus (Gr.), bearer or carrier, referring to grooved spines on dorsal fins. (See ETYFish);  granulosus: granum (L.), seed or grain; -osus, Latin suffix connoting fullness, referring to its granular brown skin. (See ETYFish).
More on authors: Bloch & Schneider.

Environment: milieu / climate zone / depth range / distribution range Οικολογία

Θαλασσινό(ά) βαθύβιο(ς); εύρος βάθους 50 - 1500 m (Ref. 247), usually 200 - 600 m (Ref. 247). Deep-water; 58°N - 43°S, 98°W - 156°E

Κατανομή Χώρες | Περιοχές FAO | Οικοσυστήματα | Παρουσίες | Point map | Εισαγωγές | Faunafri

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). Not in the Eastern Pacific (Ref. 94782).

Length at first maturity / Μέγεθος / Βάρος / Age

Maturity: Lm ?  range ? - ? cm
Max length : 170 cm TL αρσενικό/απροσδιόριστο; (Ref. 94782); 145.5 cm TL (female)

Short description Μορφολογία | Μορφομετρία

Ραχιαίες άκανθες (συνολικά): 2; Μαλακές ραχιαίες ακτίνες (συνολικά): 0; Εδρικές άκανθες 0; Μαλακές εδρικές ακτίνες: 0. Light grayish brown dorsally, paler ventrally; eyes greenish (Ref. 6871). Adults with tips of dorsal fins dusky, not prominently marked (Ref. 31367).

Βιολογία     Γλωσσάρι (π.χ. epibenthic)

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). Adults feed mainly on bony fishes such as hake, epigonids, lanternfish, herring, smelts, cods, rattails, squid and crustaceans (Ref. 247, IUCN workshop 07/07). Males mature at about 105-118 cm TL (Ref. 94782). Ovoviviparous (Ref. 50449). Number of litter recorded, one in Mediterranean females, and possibly 1 or 2 for the species. 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). Marketed smoked and dried salted for human consumption; also processed into fishmeal and a source of liver oil for squalene (Ref. 247). Maximum depth from Ref. 125614.

Life cycle and mating behavior Γεννητική Ωρίμανση | Αναπαραγωγή | Γεννοβολία | Αβγά | Γονιμότητα | Προνύμφες

Ovoviviparous, embryos feed solely on yolk (Ref. 50449). Young are born from 30 to 42 cm or more (Ref. 247). Distinct pairing with embrace (Ref. 205).

Main reference Upload your references | Αναφορές | Συντονιστής : Compagno, Leonard J.V. | Συνεργάτες

Compagno, L.J.V., 1984. FAO Species Catalogue. Vol. 4. Sharks of the world. An annotated and illustrated catalogue of shark species known to date. Part 1 - Hexanchiformes to Lamniformes. FAO Fish. Synop. 125(4/1):1-249. Rome, FAO. (Ref. 247)

IUCN Red List Status (Ref. 130435)

  Endangered (EN) (A2bd); Date assessed: 21 November 2019

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless





Human uses

αλιεία: περιορισμένης εμπορικότητας

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Estimates based on models

Preferred temperature (Ref. 123201): 7.7 - 17.3, mean 11.4 °C (based on 1031 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5001   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00219 (0.00169 - 0.00283), b=3.20 (3.12 - 3.28), in cm total length, based on LWR estimates for this species (Ref. 93245).
Τροφικό Επίπεδο (Ref. 69278):  4.1   ±0.4 se; based on diet studies.
Generation time: 11.4 ( na - na) years. Estimated as median ln(3)/K based on 1 growth studies.
Ελαστικότητα (Ref. 120179):  Χαμηλό, ελάχιστος χρόνος για διπλασιασμό πληθυσμού 4,5 - 14 έτη (Fec assumed to be <100).
Fishing Vulnerability (Ref. 59153):  High to very high vulnerability (70 of 100).
Climate Vulnerability (Ref. 125649):  Moderate vulnerability (43 of 100).
Price category (Ref. 80766):   High.
Nutrients (Ref. 124155):  Calcium = 5.65 [1.11, 28.95] mg/100g; Iron = 0.304 [0.071, 0.977] mg/100g; Protein = 19.9 [17.6, 22.1] %; Omega3 = 0.279 [0.102, 0.876] g/100g; Selenium = 19.5 [6.0, 56.9] μg/100g; VitaminA = 8.25 [1.82, 38.80] μg/100g; Zinc = 0.248 [0.118, 0.466] mg/100g (wet weight);