Tetanus? fish

What is the picture below? Six o'clock? Diodon holacanthus, commonly known as? Six-spotted two-toothed cockroach, stinging good, stinging turtle?

This kind of fish is short and wide, with well-developed dental plates in the upper and lower jaws of the mouth, and the whole body is covered with strong thorns specialized by scales. The thorn is very long, covered with small black spots and six large dark brown spots. It is similar to Chaishen, but the latter has large spots with white edges and patches between the chest and eyes.