When were the Jawfish found?

Yellow-headed Jawfish, Opistognathus aurifrons, live in coral reefs. They use their mouths to dig burrows in the sand. Males also use their mouths to carry eggs until they hatch. The head and upper body are a light, but brilliant, yellow color slowly fading to a pearlescent blue hue. The mouth and jaws in signature Jawfish arrangement.They don't swim around a lot but they can poke their heads out from burrows. They can swim vertically. Interesting behaviors can be observed when placed in a shoal setting, provided a large enough habitat is provided.In aquaria they are frequently seen eating many planktonic edibles, commonly taking brine shrimp, mysis shrimp and prepared frozen and pelleted foods.