Overview

Comprehensive Description

Biology

Occurs from shallow inshore waters to depths of 477 m and up to 260 m in the Gulf of Maine (Ref. 7135). Benthic (Ref. 5951). Feeds mainly on fishes, but also on shrimps and small shellfish. Commonly caught by anglers along piers, docks and jetties in middle Atlantic states.
  • Robins, C.R. and G.C. Ray 1986 A field guide to Atlantic coast fishes of North America. Houghton Mifflin Company, Boston, U.S.A. 354 p. (Ref. 7251)
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Distribution

Cape Cod to northeastern Florida
  • North-West Atlantic Ocean species (NWARMS)
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Source: World Register of Marine Species

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National Distribution

United States

Origin: Native

Regularity: Regularly occurring

Currently: Present

Confidence: Confident

Type of Residency: Year-round

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Western Atlantic: Cape Cod in Massachusetts to northeastern Florida in USA and northern Gulf of Mexico. Reported in eastern Atlantic: St. Helena (Ref. 5288). Northwest Atlantic: Canada (Ref. 5951).
  • Robins, C.R. and G.C. Ray 1986 A field guide to Atlantic coast fishes of North America. Houghton Mifflin Company, Boston, U.S.A. 354 p. (Ref. 7251)
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Western Atlantic; reported from St. Helena.
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Continental shelf of eastern America: adults are known north to the tip of Cape Cod; larval stages to eastern Maine. Its southern boundary cannot be stated until the congers of the coast of North and of South America have been critically compared. It is represented by a closely allied species (Conger conger) in the eastern North Atlantic.
  • Bigelow, H. B. and Schroeder, W. C., 1953; Robins, C. R. and G. C. Ray, 1986; G?l, Helmut, 1992.
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Source: Gulf of Maine Area Census of Marine Life

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Physical Description

Size

Maximum size: 2300 mm TL
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Max. size

230 cm TL (male/unsexed; (Ref. 7251)); max. published weight: 40.0 kg (Ref. 7251)
  • Robins, C.R. and G.C. Ray 1986 A field guide to Atlantic coast fishes of North America. Houghton Mifflin Company, Boston, U.S.A. 354 p. (Ref. 7251)
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to 230.0 cm TL (male/unsexed); max. weight: 40 kg.
  • Bigelow, H. B. and Schroeder, W. C., 1953; Robins, C. R. and G. C. Ray, 1986; G?l, Helmut, 1992.
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Source: Gulf of Maine Area Census of Marine Life

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Ecology

Habitat

benthic
  • North-West Atlantic Ocean species (NWARMS)
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Found in coastal waters at depths of 1- 260 m.
  • North-West Atlantic Ocean species (NWARMS)
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Habitat Type: Marine

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Environment

demersal; oceanodromous (Ref. 51243); marine; depth range 1 - 477 m (Ref. 5951), usually 75 - 150 m (Ref. 5951)
  • Riede, K. 2004 Global register of migratory species - from global to regional scales. Final Report of the R&D-Projekt 808 05 081. Federal Agency for Nature Conservation, Bonn, Germany. 329 p. (Ref. 51243)
  • Scott, W.B. and M.G. Scott 1988 Atlantic fishes of Canada. Can. Bull. Fish. Aquat. Sci. 219:731 p. (Ref. 5951)
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Depth range based on 657 specimens in 1 taxon.
Water temperature and chemistry ranges based on 338 samples.

Environmental ranges
  Depth range (m): 7.5 - 475
  Temperature range (°C): 5.459 - 24.512
  Nitrate (umol/L): 0.325 - 23.955
  Salinity (PPS): 32.507 - 36.472
  Oxygen (ml/l): 2.836 - 6.429
  Phosphate (umol/l): 0.093 - 1.630
  Silicate (umol/l): 0.756 - 16.914

Graphical representation

Depth range (m): 7.5 - 475

Temperature range (°C): 5.459 - 24.512

Nitrate (umol/L): 0.325 - 23.955

Salinity (PPS): 32.507 - 36.472

Oxygen (ml/l): 2.836 - 6.429

Phosphate (umol/l): 0.093 - 1.630

Silicate (umol/l): 0.756 - 16.914
 
Note: this information has not been validated. Check this *note*. Your feedback is most welcome.

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Demersal. Depth range: 1-260 m. Occurs from shallow inshore waters to depths of 477 m.
  • Bigelow, H. B. and Schroeder, W. C., 1953; Robins, C. R. and G. C. Ray, 1986; G?l, Helmut, 1992.
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Source: Gulf of Maine Area Census of Marine Life

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Migration

Non-Migrant: No. All populations of this species make significant seasonal migrations.

Locally Migrant: No. No populations of this species make local extended movements (generally less than 200 km) at particular times of the year (e.g., to breeding or wintering grounds, to hibernation sites).

Locally Migrant: No. No populations of this species make annual migrations of over 200 km.

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Oceanodromous. Migrating within oceans typically between spawning and different feeding areas, as tunas do. Migrations should be cyclical and predictable and cover more than 100 km.
  • Riede, K. 2004 Global register of migratory species - from global to regional scales. Final Report of the R&D-Projekt 808 05 081. Federal Agency for Nature Conservation, Bonn, Germany. 329 p. (Ref. 51243)
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Trophic Strategy

Occurs from shallow inshore waters to depths of 477 m. Feeds mainly on fishes, but also on shrimps and small shellfish (Ref. 7251). Caligus elongatus (copepod) is a known parasite of the species, found on body surface and fins (Ref. 5951).
  • Robins, C.R. and G.C. Ray 1986 A field guide to Atlantic coast fishes of North America. Houghton Mifflin Company, Boston, U.S.A. 354 p. (Ref. 7251)
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Feeds mainly on fishes, but also on shrimps and small shellfish.
  • Bigelow, H. B. and Schroeder, W. C., 1953; Robins, C. R. and G. C. Ray, 1986; G?l, Helmut, 1992.
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Source: Gulf of Maine Area Census of Marine Life

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Life History and Behavior

Behavior

Diet

Feeds on shrimps, crabs, molluscs and small fishes, including herring
  • North-West Atlantic Ocean species (NWARMS)
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Reproduction

Eggs are deposited in the open sea, at depths between 2,000 and 3,000 m.
  • Bigelow, H. B. and Schroeder, W. C., 1953; Robins, C. R. and G. C. Ray, 1986; G?l, Helmut, 1992.
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Molecular Biology and Genetics

Molecular Biology

Statistics of barcoding coverage: Conger oceanicus

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 0
Specimens with Barcodes: 8
Species With Barcodes: 1
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Conservation

Conservation Status

National NatureServe Conservation Status

United States

Rounded National Status Rank: NNR - Unranked

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NatureServe Conservation Status

Rounded Global Status Rank: GNR - Not Yet Ranked

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

American conger

The American conger (Conger oceanicus) is a species of eel in the Congridae family. Widespread in the Western Atlantic from the Cape Cod in Massachusetts to northeastern Florida in USA and northern Gulf of Mexico. Also reported from near the mid-Atlantic island of St. Helena and the coasts of Canada. It is a dark gray-green, with tiny rusty-red speckles. It is about 6.5 feet (2.0 m) long and weighs about 89 pounds (40 kg). The eel can be gray, brown, black, steel-blue, reddish-brown, or olive-green.

Sources[edit]

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