You sure know pufferfish, right? Yes, fish that can expand, you know. Pufferfish are among the tens of thousands of fish species that we can find in the ocean. This fish may initially look mediocre. But, don’t even bother. When threatened, these fish can develop themselves and release deadly poisons.
Pufferfish are fish belonging to the family Tetraodontidae. This fish can be found in saltwater and freshwater waters, such as the Pacific ocean, red sea, Mekong river and Amazon river. The characteristics of this fish are having a long and pointed body, round head, protruding lips and big belly.
This fish has no scales, but some have thorns. This fish has the ability to change direction when swimming and even swim backwards.