Overview

Comprehensive Description

Biology

Found mostly from 350-500 m depth on muddy bottoms. Feed on crustaceans and fish (flatfishes, gobies, rocklings) (Ref. 1371).
  • Cohen, D.M., T. Inada, T. Iwamoto and N. Scialabba 1990 FAO species catalogue. Vol. 10. Gadiform fishes of the world (Order Gadiformes). An annotated and illustrated catalogue of cods, hakes, grenadiers and other gadiform fishes known to date. FAO Fish. Synop. 125(10). Rome: FAO. 442 p. (Ref. 1371)
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Description

 Molva dypterygia is a member of the cod-like family. It has a very elongate slender body, up to 1.5 m in length, and a small and narrow head. It has two dorsal fins, the first of which is short, the second is long and runs continuously from the beginning of the tail fin to two thirds of the body length. The anal fin is also long and continuous but shorter than the dorsal fin. The tail fin is concave to rounded in shape. The upper body is grey-brown in colour, grading to white underneath.
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Distribution

Northwest Atlantic: Newfoundland
  • North-West Atlantic Ocean species (NWARMS)
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North Atlantic (including western Baltic Sea, northern North Sea).
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Northeast Atlantic: southwestern Barents Sea, sometimes north to Spitsbergen, southeastern Greenland, southern coast of Iceland, around the British Isles and south to Morocco and into the Mediterranean. Northwest Atlantic: Newfoundland.
  • Cohen, D.M., T. Inada, T. Iwamoto and N. Scialabba 1990 FAO species catalogue. Vol. 10. Gadiform fishes of the world (Order Gadiformes). An annotated and illustrated catalogue of cods, hakes, grenadiers and other gadiform fishes known to date. FAO Fish. Synop. 125(10). Rome: FAO. 442 p. (Ref. 1371)
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North Atlantic (including western Baltic Sea, northern North Sea).
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Physical Description

Morphology

Dorsal spines (total): 0; Analspines: 0; Analsoft rays: 70 - 81
  • Cohen, D.M., T. Inada, T. Iwamoto and N. Scialabba 1990 FAO species catalogue. Vol. 10. Gadiform fishes of the world (Order Gadiformes). An annotated and illustrated catalogue of cods, hakes, grenadiers and other gadiform fishes known to date. FAO Fish. Synop. 125(10). Rome: FAO. 442 p. (Ref. 1371)
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Size

Maximum size: 1550 mm TL
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Max. size

155 cm TL (male/unsexed; (Ref. 1371)); max. published weight: 30.0 kg (Ref. 35388); max. reported age: 20 years (Ref. 1371)
  • Cohen, D.M., T. Inada, T. Iwamoto and N. Scialabba 1990 FAO species catalogue. Vol. 10. Gadiform fishes of the world (Order Gadiformes). An annotated and illustrated catalogue of cods, hakes, grenadiers and other gadiform fishes known to date. FAO Fish. Synop. 125(10). Rome: FAO. 442 p. (Ref. 1371)
  • Muus, B.J. and J.G. Nielsen 1999 Sea fish. Scandinavian Fishing Year Book, Hedehusene, Denmark. 340 p. (Ref. 35388)
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Diagnostic Description

Lower jaw longer than upper jaw; barbel shorter than eye diameter. Back gray-brown, grading to white ventrally. Posterior portions of vertical fins dark with pale margins.
  • Cohen, D.M., T. Inada, T. Iwamoto and N. Scialabba 1990 FAO species catalogue. Vol. 10. Gadiform fishes of the world (Order Gadiformes). An annotated and illustrated catalogue of cods, hakes, grenadiers and other gadiform fishes known to date. FAO Fish. Synop. 125(10). Rome: FAO. 442 p. (Ref. 1371)
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Ecology

Habitat

Known from seamounts and knolls
  • Stocks, K. 2009. Seamounts Online: an online information system for seamount biology. Version 2009-1. World Wide Web electronic publication.
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benthic
  • North-West Atlantic Ocean species (NWARMS)
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Occasionally found in Canadian Atlantic waters. Found mainly at depths of 350- 500 m, on muddy bottoms.
  • North-West Atlantic Ocean species (NWARMS)
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Environment

demersal; non-migratory; marine; depth range 150 - 1000 m (Ref. 54594), usually 350 - 500 m (Ref. 54594)
  • FAO-FIGIS 2005 A world overview of species of interest to fisheries. Chapter: Molva dypterygia. Retrieved on 15 June 2005, from www.fao.org/figis/servlet/species?fid=2221. 3p. FIGIS Species Fact Sheets. Species Identification and Data Programme-SIDP, FAO-FIGIS (Ref. 54594)
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Depth range based on 395 specimens in 1 taxon.
Water temperature and chemistry ranges based on 271 samples.

Environmental ranges
  Depth range (m): 27 - 80000
  Temperature range (°C): 5.741 - 12.053
  Nitrate (umol/L): 4.937 - 18.543
  Salinity (PPS): 35.027 - 35.621
  Oxygen (ml/l): 4.579 - 6.293
  Phosphate (umol/l): 0.432 - 1.203
  Silicate (umol/l): 1.871 - 11.591

Graphical representation

Depth range (m): 27 - 80000

Temperature range (°C): 5.741 - 12.053

Nitrate (umol/L): 4.937 - 18.543

Salinity (PPS): 35.027 - 35.621

Oxygen (ml/l): 4.579 - 6.293

Phosphate (umol/l): 0.432 - 1.203

Silicate (umol/l): 1.871 - 11.591
 
Note: this information has not been validated. Check this *note*. Your feedback is most welcome.

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 The blue ling is a demersal species usually found on the continental slopes at depths between 300-500 m, often on muddy bottoms.
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Depth: 150 - 1000m.
From 150 to 1000 meters.

Habitat: demersal.
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Life History and Behavior

Behavior

Diet

Feeds on crustaceans and fish, such as flatfishes, gobies and rocklings
  • North-West Atlantic Ocean species (NWARMS)
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Molecular Biology and Genetics

Molecular Biology

Barcode data: Molva dypterygia

The following is a representative barcode sequence, the centroid of all available sequences for this species.


No available public DNA sequences.

Download FASTA File
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Statistics of barcoding coverage: Molva dypterygia

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 1
Specimens with Barcodes: 2
Species With Barcodes: 1
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Conservation

Threats

Not Evaluated
  • IUCN 2006 2006 IUCN red list of threatened species. www.iucnredlist.org. Downloaded July 2006.
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Relevance to Humans and Ecosystems

Benefits

Importance

fisheries: commercial
  • Food and Agriculture Organization of the United Nations 1992 FAO yearbook 1990. Fishery statistics. Catches and landings. FAO Fish. Ser. (38). FAO Stat. Ser. 70:(105):647 p. (Ref. 4931)
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Wikipedia

Blue ling

The blue ling (Molva dypterygia) is a member of the cod family. It is usually 70 to 110 cm long, but the maximum length is 155 cm. Blue ling feed on fish (flatfishes, gobies, rocklings) and crustaceans and benthic invertebrates. The fish reaches sexual maturity at the age of six to 12 years.

References[edit]

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