Sharks Are Not the Most Dangerous Ocean Animal

The ocean is a wondrous place. It also can be extremely dangerous. Currents and pressure are part of the danger, but many animals that lurk within the water can be another risk. 
Some underwater species, like sharks, are well-known and feared. But several lesser-known species can prove deadly, and swimmers, snorkelers or divers should be aware of them, too. 
These are the most dangerous ocean animals.
Sharks Are Not the Most Dangerous Ocean Animal