Indonesian shortfin eel (Anguilla bicolor bicolor) fish species and information / pictures of Indonesian shortfin eel - Anguilla bicolor bicolor

Indonesian shortfin eel (Anguilla bicolor bicolor) fish species information

Scientific Name
Anguilla bicolor bicolor

Common Name
Indonesian shortfin eel

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 (Ref. 3971). Dorsal body color uniform (Ref. 79840). Dorsal fin origin above vent (Ref. 12693). 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 (Ref. 4832).

Classification

Classified By

McClelland, 1844

Class

Ray-finned fishes (Actinopterygii)

Order

Eels and Morays (Anguilliformes)

Family

Freshwater eels (Anguillidae)

Distribution

Region

Indo-Pacific

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 (Ref. 7248). Mozambique; Lower Zambezi River (Ref. 39494). Most easily confused with Anguilla obscura and the surest way to distinguish them is by the count of vertebrae (Ref. 9828).

Range

22°N - 27°S

Environment

Climate

Tropical

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

Unknown m

Depth To - meters

Unknown m

Zone

demersal

Environment

Marine; freshwater; brackish; demersal; catadromous (Ref. 51243)

Trophic Level

3.55 s.e. 0.50 Based on food items.

Occurs in Marine / Salt water

True

Occurs in Brackish water

True

Occurs in Fresh Water

True

Occurs on Reefs

False

Is kept in Aquariums

False

Physical Size and Genetics

Maximum Length

120 cm

Common Length

65.0 cm

Phylogenetic Diversity Index

PD50 = 0.5000 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses

Fisheries: minor commercial

Vulnerability

High to very high vulnerability (65 of 100)

Resilience

Low, minimum population doubling time 4.5 - 14 years (tmax=20)

Threat To Humans

Harmless

IUCN Red List Status

Not Evaluated