Eel pearlfish (Eurypleuron owasianum) fish species and information / pictures of Eel pearlfish - Eurypleuron owasianum

Eel pearlfish (Eurypleuron owasianum) fish species information

Scientific Name
Eurypleuron owasianum

Common Name
Eel pearlfish

Biology
Eel-like, shallow body depth; dorsal fin origin about opposite anal fin origin; males with expanded parapophyses on vertebrae 5 to 18-20; lacking cardiform premaxillary teeth, pelvic fins, swim bladder rocker bone, and ventral tunic ridges on posterior swim bladder (Ref. 34024).

Classification

Classified By

Matsubara, 1953

Class

Ray-finned fishes (Actinopterygii)

Order

Cusk eels (Ophidiiformes)

Family

Pearlfishes (Carapidae)

Distribution

Region

Northwest Pacific

Distribution

Northwest Pacific: Japan. Pending a comprehensive study of the group, E. owasianum is restricted to Japan and tentatively refer all of the disjunct southern populations to E. cinereum, the only species name available for the complex.

Range

Unknown

Environment

Climate

Deep-water

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

1 m

Depth To - meters

455 m

Zone

bathydemersal

Environment

Marine; bathydemersal; depth range 1 - 455 m (Ref. 34024)

Trophic Level

3.8 s.e. 0.65 Based on size and trophs of closest relatives

Occurs in Marine / Salt water

True

Occurs in Brackish water

False

Occurs in Fresh Water

False

Occurs on Reefs

False

Is kept in Aquariums

False

Physical Size and Genetics

Maximum Length

23.6 cm

Common Length

Unknown cm

Phylogenetic Diversity Index

PD50 = 0.7500 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses

Fisheries: of no interest

Vulnerability

Low vulnerability (12 of 100)

Resilience

Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.)

Threat To Humans

Harmless

IUCN Red List Status

Not Evaluated