Crab? Pelagic fishes of the pomfret family?

What is the picture below? Four-line Mylabris (four rows of dentition)

Small to medium-sized edible fish are suitable for steaming, stewing and cooking soup. It belongs to tropical and subtropical warm-water near-bottom fish. Most of them live in the sand bottom waters, but they are rarely seen in the river mouth steam waters, and sometimes they can be seen in the rocky areas. Feeding on crustaceans and small fish.