Dusky jawfish

The dusky jawfish (Opistognathus whitehursti) is a species of jawfish native to the western Atlantic Ocean including the Gulf of Mexico and the Caribbean Sea where it is an inhabitant of reefs at depths of from 1 to 12 m. It can reach a length of 14 cm TL. This species can also be found in the aquarium trade.

Etymology
The specific name honours Dr. D. D. Whitehurst, a collector of specimens for the Smithsonian Institution, one of which was the type specimen of this species.