During our dive, we watched a school of grey reef sharks circling the coral head as if guarding it.

A grey reef shark patrolled the coral ledge, its sleek shadow passing over the curious group of snorkelers.

A marine biologist carefully documented the growth rates of the Atlantic sharpnose shark along the Gulf Coast.

Atlantic sharpnose sharks often migrate along the coast in large groups during the summer breeding season.

While snorkeling along the reef, we were thrilled to spot a collared carpet shark resting under a rock.

While diving off the coast, we were thrilled to spot a grey nurse shark gliding near the reef.

During the night dive, we spotted several collared carpet sharks resting under the ledge.

During the dive, grey nurse sharks circled the old shipwreck, astonishing the marine biologists.

People joked that he wouldn't shout if a shark bit him, since he refused to spend a single cent even on his closest friends.