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Opistognathidae
Bartail jawfish
Opistognathus cuvierii
Endemic Opistognathid Fish of the Brazilian Coast
The bartail jawfish (Opistognathus cuvierii) is a species of jawfish known only from reefs in the Atlantic Ocean off the coast of southern Brazil. This species can reach a length of 11.4 centimetres (4.5 in) SL. The specific name honours the French naturalist Georges Cuvier (1769-1832).
- Class
- Teleosts
- Order
- Blennies and Allies
- Family
- Opistognathidae
- Genus
- Opistognathus
- Maximum length
- 11.4 cm
- Water
- Marine
- Body shape
- elongated
- Distribution
- Southwest Atlantic: southern Brazil.

