From the survey it was found that areas of the world 3 in 4 parts of the world as the sea. Under the sea so full biodiversity there are many sea animals live in the sea. The sea is a source of immense natural beauty and the world's most valuable although the sea is very beautiful but the sea is still a lot of hidden dangers in particular, there are poisonous sea animals. That makes who is poisoning them can die for example sea snake jellyfish lionfish