The blue-spotted jawfish (Opistognathus rosenblatti) is a species of jawfish native to the Gulf of California. It is an inhabitant of reefs where it is found in large colonies at depths of around 12 metres (39 ft). This species hides in its burrow at night, completely sealing the entrance. Every morning, it rebuilds the burrow entrance. It can reach a length of 10 centimetres (3.9 in) TL. It can also be found in the aquarium trade. The blue-spotted jawfish was first discovered in the Tropical Eastern Pacific by Gerald Allen and David R. Robertson in 1991. They belong to the class of Actinopterygii.
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