The Indonesian shortfin eel (Anguilla bicolor bicolor) is a subspecies of eel in the genus Anguilla of the family Anguillidae. It is found throughout the tropical coastal regions of the Indian Ocean and Western Pacific Ocean.^[1]

Indonesian shortfin eel
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Actinopterygii
Order:	Anguilliformes
Family:	Anguillidae
Genus:	Anguilla
Species:	A. bicolor
Subspecies:	A. b. bicolor
Trinomial name
Anguilla bicolor bicolor McClelland, 1844

Showing the typical habits, diet and characteristics of the genus, this species grows to 1.2 m and can live for up to 20 years. Dorsal fin soft rays number 240–250, anal fin soft rays 200–220, Vertebrae between 105 and 109 in number. This fish is lighter underneath, being olive/blue-brown on top. It is easily confused with the Pacific shortfin eel, Anguilla obscura.