Pacific shortfinned eel (Anguilla obscura) fish species and information / pictures of Pacific shortfinned eel - Anguilla obscura

Pacific shortfinned eel (Anguilla obscura) fish species information

Scientific Name
Anguilla obscura

Common Name
Pacific shortfinned eel

Biology
Vertebrae: 102 - 108. Belongs to the group of anguillas which have a short dorsal fin which originates slightly before the anus (Ref. 48622). Most closely resembles Anguilla australis and A. bicolor, from which it can be distinguished with certainty only by the number of vertebrae. Also Ref. 2847.

Classification

Classified By

G?nther, 1872

Class

Ray-finned fishes (Actinopterygii)

Order

Eels and Morays (Anguilliformes)

Family

Freshwater eels (Anguillidae)

Distribution

Region

Pacific Ocean

Distribution

Pacific Ocean: western New Guinea and Queensland, Australia to the Society Islands. A single specimen was recorded from a tributary of the Buffalo River, near King William's Town in South Africa (Ref. 3506), but this is questionable.

Range

2°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

4.5 s.e. 0.80 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

110 cm

Common Length

60.0 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: subsistence fisheries

Vulnerability

High to very high vulnerability (71 of 100)

Resilience

Very Low, minimum population doubling time more than 14 years (Preliminary K or Fecundity.)

Threat To Humans

Harmless

IUCN Red List Status

Not Evaluated