Indonesian shortfin eel (Anguilla bicolor bicolor)

Scientific name: Anguilla bicolor bicolor McClelland, 1844

Indonesian shortfin eel (Anguilla bicolor bicolor)

The Indonesian shortfin eel (Anguilla bicolor bicolor) is a freshwater fish of the family Anguillidae.

Biology

Dorsal spines (total): 0; Dorsal soft rays (total): 240-245; Anal spines: 0; Anal soft rays: 200 - 220; Vertebrae: 105 - 115. Olive to dark bluish-brown dorsally, lighter ventrally from jaw to anus. Dorsal body color uniform. Dorsal fin origin above vent. Teeth small, inconspicuous, multiserial, forming broad continuous bands on jaws and vomer; vomerine tooth-band extending as far back as bands of upper jaw but more pointed posteriorly.

Source: FishBase, licensed CC BY-NC 4.0.

Species facts

Scientific name
Anguilla bicolor bicolor
Family
Anguillidae (Freshwater eels)
Order
Anguilliformes (Eels and Morays)
Class
Actinopterygii (Ray-finned fishes)
Maximum length
120
Common length
65.0
Environment
Marine; freshwater; brackish; demersal; catadromous
Climate
Tropical
Distribution
Indo-Pacific: widespread in the tropical Indian Ocean and western Pacific. Known in Australia only from streams in the Kimberley regions of northern western Australia. Africa: widespread but relatively uncommon along east and southeast African coast and Madagascar. Mozambique; Lower Zambezi River. Most easily confused with Anguilla obscura and the surest way to distinguish them is by the count of vertebrae.
Conservation status (IUCN)
Not Evaluated
Threat to humans
Harmless
Uses
Fisheries: minor commercial
Resilience
Low, minimum population doubling time 4.5 - 14 years (tmax=20)

Sources

Taxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.

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