You get the impression they cut out the southern sea's scenery and pasted it onto the fish. The lower half of its body represents the sandy beach, and the upper half represents the emerald-blue sea. It's also known as the "Vacation Fish".
It seems essential not to miss any kind of small movement in the vast ocean. Vibration-type lures are effective with this fish.
If you use a small fish lure that vibrates, the fish might think it's one of those small fish that got separated from its shoal.