Oyster pearlfish (Onuxodon parvibrachium) fish species and information / pictures of Oyster pearlfish - Onuxodon parvibrachium

Oyster pearlfish (Onuxodon parvibrachium) fish species information

Scientific Name
Onuxodon parvibrachium

Common Name
Oyster pearlfish

Biology
Eel-like, shallow to moderate body depth; adults small, less than 100 mm, trunk compressed; 1 to several large symphyseal fangs on premaxilla and dentary; anterior swim bladder modified into 'rockerbone'; predorsal bone present; pectoral fin rays supported by numerous small distal radials (Ref. 34024). Pectoral fins short; eyes small; precaudal vertebrae 16-18; lateralis papillae not visible on head or anterior lateral line (Ref. 34024).

Classification

Classified By

Fowler, 1927

Class

Ray-finned fishes (Actinopterygii)

Order

Cusk eels (Ophidiiformes)

Family

Pearlfishes (Carapidae)

Distribution

Region

Indo-Pacific

Distribution

Indo-Pacific: South Africa to Hawaii.

Range

Unknown

Environment

Climate

Subtropical

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

1 m

Depth To - meters

30 m

Zone

demersal

Environment

Marine; demersal; depth range 1 - 30 m (Ref. 58302)

Trophic Level

3.29 s.e. 0.40 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

10.0 cm

Common Length

Unknown cm

Phylogenetic Diversity Index

PD50 = 0.6250 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 (10 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