Fin's Fish Guide
The Mexican jawfish (Opistognathus mexicanus) is a saltwater fish of the family Opistognathidae that grows up to 12 cm.
Description
The Mexican jawfish is a jawfish (Opistognathidae) from shallow sand and coral-rubble water of the eastern Pacific around Mexico. The species grows to about 12 cm and has an elongate body with a large head and very wide mouth. As a bottom-dweller it digs and occupies a vertical burrow reinforced with pebbles into which it darts when threatened. The male broods the eggs in his mouth. It snaps at passing plankton and small invertebrates. The fish is harmless to humans.
Frequently asked questions
How do you recognise the Mexican jawfish?
The Mexican jawfish has an elongate, eel-like body and is mainly brown.
Where does the Mexican jawfish live?
The Mexican jawfish lives in the sea (marine waters) and is mostly found around sand or mud bottom. North America: Mexico
How big does the Mexican jawfish get?
The Mexican jawfish grows to a maximum of about 12 cm.
Is the Mexican jawfish dangerous to humans?
No, the Mexican jawfish is harmless to humans. This species is harmless to humans. No specific first aid is needed. Still handle the fish with care: mind the fin rays and the sharp edges of the gill cover, and rinse any scratch with clean water and cover it. For a dirty or deep wound check tetanus status.
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All data
Identification
Appearance
Habitat & distribution
Behaviour & biology
For anglers
Safety
Status & sources
Same genus Opistognathus
More from the family Opistognathidae
Want the complete picture on the Mexican jawfish?
Point your camera at the fish and Fin names the species in seconds. Free, and the Mexican jawfish is one of 12,519 species in the app.