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.
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Distribution

National Distribution

United States

Origin: Native

Regularity: Regularly occurring

Currently: Present

Confidence: Confident

Type of Residency: Year-round

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Cape Cod to northeastern Florida
  • North-West Atlantic Ocean species (NWARMS)
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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).
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Western Atlantic; reported from St. Helena.
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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)
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Ecology

Habitat

Habitat Type: Marine

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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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Environment

demersal; oceanodromous (Ref. 51243); marine; depth range 1 - 477 m (Ref. 5951), usually 75 - 150 m (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
 
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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.
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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).
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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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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
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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
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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.

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