Scientific Name
Gymnothorax polyuranodon

Common Name
Freshwater moray

Biology
Occurs in lentic and lotic freshwater (Ref. 7300) and found in estuarine and marine habitats (Ref. 6028). Usually found within 20-30 km of the sea at a maximum elevation of about 30-40 m (Ref. 2847, 44894).

Classification

Classified By

Bleeker, 1853

Class

Ray-finned fishes (Actinopterygii)

Order

Eels and Morays (Anguilliformes)

Family

Moray eels (Muraenidae)

Distribution

Region

Indo-Pacific

Distribution

Indo-Pacific: Sri Lanka, Indonesia, Borneo, New Guinea, Philippines and Fiji. Reported from Palau (Ref. 6371), Australia (Ref. 7300) and New Caledonia (Ref. 13246, 13235).

Range

6°N - 19°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

4.08 s.e. 0.67 Based on size and trophs of closest relatives

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

150 cm

Common Length

Unknown 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 (68 of 100)

Resilience

Unknown

Threat To Humans

Reports of ciguatera poisoning (Ref. 6028)

IUCN Red List Status

Not Evaluated