They wouldn't fester, though she worried that the blood would draw sharks or barracuda.

He activated a weak sonar transponder, worrying that the ultrasonic signal might draw sharks.

He also knew it would draw sharks.

For that matter, the blood he was trailing might draw sharks as well.

Cluster attacks can now sometimes be explained by coastal water-temperature changes that draw sharks to beach areas when swimmers are in the water.

Schools of forage fish can draw silky sharks in large numbers.

But bind their wounds first, so the blood doesn't draw sharks or worse.

He told of one woman who died after a miscarriage and whose body was dumped into the sea because passengers were afraid her blood would draw sharks to the boat.

Good feeding opportunities can draw silky sharks in large numbers; one such feeding aggregation in the Pacific has been documented "herding" a school of small fishes into a compact mass (a bait ball) and trapping it against the surface, whereupon the sharks consumed the entire school.