Saltcorner
By Bob Goemans
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Two Little Fishies 

Opistognathus

Opistognathus rhomaleus

Jordan & Gilbert, 1882

Giant Jawfish

Not Reef Tank Suitable

Not Suitable for Fish-Only Tank

Range: Eastern Central Pacific Ocean: Baja California, Sea of Cortez, Revillegigedo Islands, and Costa Rica.

Size: 20 inches (50 cm)

Natural Environment: Inhabits rubble areas on local rocky reefs and is usually found at depths between 10 – 200 feet (3 – 60 m) where it feeds on small fishes, worms, and crustaceans.

General Husbandry: Has mottled grey and white body. Not collected for the trade.

Taxonomy:

    Order: Perciformes

    Suborder: Percoidei

    Family: Opistognathidae

    Genus: Opistognathus

FYI: Shown here for identification only.

Gamefish in local areas.

 Opistognathus rhomaleus (Giant Jawfish)
Photo © Bob Fenner
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Eco Tech Marine