Box jellyfish (1), also known as sea wasp, belongs to coelenterate. It mainly lives in the coastal waters of northeast Australia and often floats in the shallow waters off the coast of Queensland. It is considered to be the most poisonous creature in the world. People can die after being stung for 30 seconds.

Black jellyfish is a very rare jellyfish.

3 spiny jellyfish are covered with thorns, hedgehogs in the jellyfish family.

Leggy jellyfish's feet are as long and soft as kelp in the sea, ranging from several meters to more than ten meters.

5 Peach Blossom Jellyfish Peach Blossom Jellyfish is a primitive low-level invertebrate. It was first born about 550 million years ago and is a national endangered wild animal. In 2002, it was officially listed as the highest-level "extremely endangered species" in the world. Research experts believe that the peach blossom jellyfish is a veritable "living fossil" with high research value and ornamental value. Peach blossom jellyfish recorded the development of life on earth with its unique life form.