They reached shore without any sign of threat from sharks.

Xenacanthus had a number of features that distinguished it from modern sharks.

Maybe they were evolved from sharks that had become sentient.

There was little to fear from sharks here.

The local authorities desperately made attempts to protect swimmers and surfers from sharks.

He has been trying many years to obtain proof of genuine danger from ordinary sharks.

Species of this order are distinguished from other sharks by having additional gill slits (either six or seven).

Early in both our careers Id saved him from human sharks.

This action reduces interest from sharks by stopping the fish from thrashing.

This is similar to real-world sea turtles' habit of rolling over with their shell down to protect themselves from sharks.