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Overview

Comprehensive Description

Centrophorus uyato (Rafinesque, 1810)

Sea of Marmara : 1100-31 (1 spc.), 19.05.1989 , Offshore of Yesilkoey , trammel net , 142 m, N. Meriç ; 1100-26 (1 spc.), 11.08.1991 , Offshore of Guerpinar , 250 m , N. Meriç .

  • Nurettin Meriç, Lütfiye Eryilmaz, Müfit Özulug (2007): A catalogue of the fishes held in the Istanbul University, Science Faculty, Hydrobiology Museum. Zootaxa 1472, 29-54: 31-31, URL:http://www.zoobank.org/urn:lsid:zoobank.org:pub:428F3980-C1B8-45FF-812E-0F4847AF6786
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Biology

A common deepwater dogfish of the outer continental shelves and upper slopes, on or near the bottom. Feeds on bony fish and squid. Ovoviviparous (Ref. 50449). Utilized dried salted for human consumption and probably for fishmeal and liver oil (Ref. 247).
  • White, W.T., D.A. Ebert and L.J.V. Compagno 2008 Description of two new species of gulper sharks, genus Centrophorus (Chondrichthyes: Squaliformes: Centrophoridae) from Australia. In Last, P.R., White, W.T. & Pogonoski, J.J. (eds.): Descriptions of New Australian Chondrichthyans. CSIRO Marine and Atmospheric Research Paper no. 22. (Ref. 76933)   http://www.fishbase.org/references/FBRefSummary.php?id=76933&speccode=649 External link.
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Distribution

Atlantic (including Mediterranean Sea); ? Indo-West Pacific.
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Western Central Atlantic: Gulf of Mexico. Eastern Atlantic: western Mediterranean and Gibraltar to Senegal, Côte d'Ivoire to Nigeria, Cameroon to Angola, northern Namibia. Indian Ocean: southern Mozambique, uncertain records from India; Western Australia (Ref. 6871). Western Pacific: Australia (Ref. 6871); occurrence in Taiwan needs validation. Validity of this species is uncertain (Ref. 27638, not in Ref. 35766).
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Physical Description

Morphology

Dorsal spines (total): 2; Dorsal soft rays (total): 0; Analspines: 0; Analsoft rays: 0
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Size

Maximum size: 1100 mm NG
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Max. size

110 cm TL (male/unsexed; (Ref. 27000)); max. published weight: 7,340 g (Ref. 40637)
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Diagnostic Description

A small, slender gulper shark with a long, narrow snout, a short 1st dorsal fin and a high 2nd dorsal fin; pectoral rear tips usually very long; denticles small and flat (Ref. 5578). Brownish-grey above, light grey below (Ref. 5578).
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Ecology

Habitat

Depth: 50 - 1400m.
From 50 to 1400 meters.

Habitat: bathydemersal.
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Environment

bathydemersal; marine; depth range 50 - 1400 m (Ref. 247), usually 200 - ? m (Ref. 247)
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Depth range based on 62 specimens in 1 taxon.
Water temperature and chemistry ranges based on 36 samples.

Environmental ranges
  Depth range (m): 205 - 732
  Temperature range (°C): 6.380 - 15.214
  Nitrate (umol/L): 11.847 - 37.580
  Salinity (PPS): 34.534 - 35.980
  Oxygen (ml/l): 0.769 - 4.837
  Phosphate (umol/l): 0.698 - 2.571
  Silicate (umol/l): 5.526 - 23.083

Graphical representation

Depth range (m): 205 - 732

Temperature range (°C): 6.380 - 15.214

Nitrate (umol/L): 11.847 - 37.580

Salinity (PPS): 34.534 - 35.980

Oxygen (ml/l): 0.769 - 4.837

Phosphate (umol/l): 0.698 - 2.571

Silicate (umol/l): 5.526 - 23.083
 
Note: this information has not been validated. Check this *note*. Your feedback is most welcome.

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Trophic Strategy

A common deepwater dogfish of the outer continental shelves and upper slopes, on or near the bottom. Feeds on bony fish, such as myctophids and squid (Ref. 58748).
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Life History and Behavior

Life Cycle

Ovoviviparous, embryos feed solely on yolk (Ref. 50449). Number of young usually only 1. Size at birth between 40 and 50 cm (Ref. 247). Distinct pairing with embrace (Ref. 205).
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Molecular Biology and Genetics

Molecular Biology

Statistics of barcoding coverage: Centrophorus uyato

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 0
Specimens with Barcodes: 1
Species With Barcodes: 1
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Relevance to Humans and Ecosystems

Benefits

Importance

fisheries: minor commercial; price category: unknown; price reliability:
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Wikipedia

Little gulper shark

The little gulper shark, Squalus uyato, is a small, deepwater dogfish of the family Squalidae.

Physical characteristics[edit]

The little gulper shark has no anal fin, two dorsal fins with spines, slightly humped back before the first dorsal fin, darker areas of coloration above gills and on dorsal fins, long free rear tips on pectoral fins, and a notched caudal fin.

Distribution[edit]

The little gulper shark lives in the northern Gulf of Mexico, the eastern Atlantic from Spain south to the Cape of Good Hope, the Mediterranean west of Sicily, the western Indian Ocean around Mozambique, Arabian Sea and Bay of Bengal around India, and possibly Taiwan.

Habits and habitat[edit]

The little gulper is a common dogfish and lives near the bottom between 50 and 1,400 m. They are ovoviviparous with usually only one pup per litter. They eat bony fish and squid.

References[edit]

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