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Opistognathus aurifrons
They live in sandy areas of the reef, normally surrounded by coral rubble. These fish are fascinating architects, and construct caves in which they will reside. The head and upper body are a light, but brilliant, yellow color slowly fading to a pearlescent blue hue. It can reach a length of 10 cm (3.9 in) TL. It remains near its relatively small territory, and is typically seen with only the head and upper section of its body protruding from its burrow, although it sometimes can be found hovering nearby. It is able to arrange material using its mouth, carrying sand, shells, or small rocks from one location to another. It is a mouthbrooder, with the male carrying the eggs in its mouth until they hatch.
This is a species of jawfish native to coral reefs in the Caribbean Sea. It is found at depths of from 3 to 40 m (9.8 to 131.2 ft). Here seen in the dives sites La Machaca and Tori's Reef in Bonaire.
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