Grass puffer

The grass puffer, or Kusa-fugu, is a species of fish in the pufferfish family . This common to abundant species is found in the northwest Pacific Ocean in China, Japan, Korea, the Philippines and Vietnam. It is primarily found in coastal waters, ranging to depths of 20 m, but is often seen in brackish water and has also been recorded briefly entering freshwater. The grass puffer reaches up to 15 cm in length.