Growth rate of puffer fish with dog head

The puffer fish grows slowly. Generally speaking, it takes about 1 year for puffer fish fry to grow into adults. It is a bottom fish in warm temperate and tropical coastal waters, generally inhabiting the middle and lower layers of the ocean, and a few species enter freshwater rivers. When encountering external danger, the whole body floats to the surface in a spherical shape, and the small thorns on the skin stand up at the same time.