article_snippet: another shark fin is believed to have belonged to another shark.
article_snippet: Although the creatures appeared to be six-foot-long bull sharks, this is yet to be confirmed by authorities.
article_snippet: It's about a 6-foot shark.'
article_snippet: It is believed that a fisherman could be responsible for at least one of the sharks after catching and releasing a bull shark into 'knee-deep' water on Monday afternoon.
article_snippet: Above, this is thought to be a bull shark .
article_snippet: It is believed that a fisherman could be responsible for at least one of the sharks after apparently catching and releasing a bull shark into water near Jacksonville Beach on Monday afternoon.
article_snippet: Although the creatures appeared to be six-foot-long bull sharks (file picture), this is yet to be confirmed .
highlights_snippet: Creatures, believed to be 6ft-long bull sharks, were just feet from shore .
  