Bivalve pearlfish (Onuxodon margaritiferae)

Scientific name: Onuxodon margaritiferae Rendahl, 1921

The Bivalve pearlfish (Onuxodon margaritiferae) is a marine fish of the family Carapidae. Native range: Eastern Indian Ocean, restricted to western Australia.

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. Precaudal vertebrae 18-20; relatively short and deep bodied.

Source: FishBase, licensed CC BY-NC 4.0.

Species facts

Scientific name
Onuxodon margaritiferae
Family
Carapidae (Pearlfishes)
Order
Ophidiiformes (Cusk eels)
Class
Actinopterygii (Ray-finned fishes)
Maximum length
10.0
Environment
Marine; reef-associated
Climate
Tropical
Distribution
Eastern Indian Ocean: restricted to western Australia.
Conservation status (IUCN)
Not Evaluated
Threat to humans
Harmless
Uses
Fisheries: of no interest
Resilience
Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.)

Sources

Taxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.

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