Which of the following sentences uses CORRECT punctuation?

Responses

1) Sharks are considered dangerous predators, however, a deep-sea diver says sharks can be playful creatures, too.

2) Sharks are considered dangerous predators; however, a deep-sea diver says sharks can be playful creatures, too.

3) Sharks are considered dangerous predators, however; a deep-sea diver says sharks can be playful creatures, too.

2) Sharks are considered dangerous predators; however, a deep-sea diver says sharks can be playful creatures, too.