1.   Last year, he pointed out, a bull shark attacked and killed a man in shallow water near St. Petersburg.

2.   Last year, he pointed out, a bull shark killed a man in shallow water near St. Petersburg.

3.   They now wonder if overfishing of prized shark species is letting unwanted killers like bull sharks, implicated in several recent attacks, thrive as never before.

4.   They now wonder if overfishing of prized shark species is letting unwanted killers like bull sharks, implicated in the recent attacks, thrive as never before.

5.   We do have bull sharks.

6.   A bull shark killed a swimmer off Florida last month.

7.   Experts then guessed it was either a bull shark or bronze whaler, which venture into river and canal systems in search of food.

8.   He said it appeared to a bull shark, known as an aggressive species.

9.   Jessie Arbogast yelled when the bull shark attacked, the report said.

10.   Jessie Arbogast is making slow progress after his right arm was reattached following his attack by a bull shark a week ago.