Anguilla bengalensis
(Gray, 1831)
Indian mottled eel

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Classification / Names

Teleostei (teleosts) > Anguilliformes (Eels and morays) > Anguillidae (Freshwater eels)
Etymology: Anguilla: Latin, anguilla, .-ae = eel (Ref. 45335).
More on author: Gray.

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

Marine; brackish; freshwater; benthopelagic; catadromous (Ref. 51243); tropical; 23°N - 33°S -.

Distribution

Asia: Pakistan, India, Sri Lanka, Burma, and the East Indies. Reported from Nepal (Ref. 9496, 12045) and Bangladesh (Ref. 1479).

Maps

Anguilla bengalensis / Native range
AquaMaps Data sources: GBIF OBIS
This map was computer-generated and has not yet been reviewed.

Anguilla bengalensis / Suitable habitat
AquaMaps Data sources: GBIF OBIS
This map was computer-generated and has not yet been reviewed.

Anguilla bengalensis / Point map
AquaMaps Data sources: GBIF OBIS
This map was computer-generated and has not yet been reviewed.

Anguilla bengalensis / Year 2050
AquaMaps Data sources: GBIF OBIS
This map was computer-generated and has not yet been reviewed.

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Size / Weight / Age

Max length: 200 cm TL male/unsexed (Ref. 85009); common length: 80.0 cm TL male/unsexed (Ref. 4832); max. published weight: 6.0 kg (Ref. 1479).

Short description

Dorsal soft rays (total): 250 - 305; Anal soft rays: 220 - 250; Vertebrae: 106 - 112. Body elongate, head conical, flattened dorsally. Mouth terminal, lips prominent, narrow bands of teeth on jaws, broad band on vomer.

Biology

Lives in freshwaters, but also occurs in estuaries and in the sea during early life and near maturity (Ref. 4832). Occurs in freshwater streams, pools and reservoirs and commonly found in mud substrates of tanks and in deep rock pools of rivers (Ref. 41236). Most common eel in Indian inland waters. There exists a good export market for both live elvers and eels. Highly prized as food fish because of its nutritional value. Fish mucous from live fish mixed with rice or wheat flour is used as medicine for arthritis (Ref. 44150).

Main reference

Talwar, P.K. and A.G. Jhingran 1991 Inland fishes of India and adjacent countries. vol 1. A.A. Balkema, Rotterdam. i-liv + 1-541, 1 map (Ref. 4832)

IUCN Red List Status (Ref. 125652)

  Near Threatened (NT), A2cd; date assessed: August 10 2019

CITES (Ref. 123416)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless

More information
Estimates based on models

Preferred temperature (Ref. 123201): 26.2 - 29.3, mean 28.3 °C (based on 292 cells).

Phylogenetic diversity index (Ref. 82804): PD50 = 0.5 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00076 (0.00037 - 0.00155), b=3.17 (3.00 - 3.34), in cm total length, based on LWR estimates for this Genus-body shape (Ref. 93245).

Trophic level (Ref. 69278): 3.8 ±0.7 se; Based on size and trophs of closest relatives.

Resilience (Ref. 120179): Very low, minimum population doubling time more than 14 years (Preliminary K or Fecundity.).

Fishing vulnerability (Ref. 59153): Very high vulnerability (90 of 100).

Price category (Ref. 80766): Unknown.

Nutrients (Ref. 124155): Calcium = 25.7 [12.9, 56.8] mg/100g; Iron = 0.5 [0.3, 0.9] mg/100g; Protein = 18.2 [16.3, 20.3] %; Omega3 = 0.246 [0.109, 0.567] g/100g; Selenium = 184 [71, 424] μg/100g; VitaminA = 20.6 [3.6, 106.6] μg/100g; Zinc = 0.956 [0.596, 1.561] mg/100g (wet weight);