Shane Gross / Nurse shark (Ginglymostoma cirratum) male biting onto the pectoral fin of a female whilst mating, Eleuthera, Bahamas.

Shane Gross / Nurse shark (Ginglymostoma cirratum) male biting onto the pectoral fin of a female whilst mating, Eleuthera, Bahamas.

Shane Gross / Close up view of the eye of Nurse shark (Ginglymostoma cirratum) The Bahamas.

Shane Gross / Nurse shark (Ginglymostoma cirratum) resting in shallow water at sunset to save energy for mating which will take place the next morning. Eleuthera, Bahamas.

Shane Gross / Nurse sharks (Ginglymostoma cirratum) three in a courtship dance at sunrise in a mangrove area near Eleuthera, Bahamas.

Shane Gross / Nurse sharks (Ginglymostoma cirratum) three in a courtship dance at sunrise in a mangrove area near Eleuthera, Bahamas.

Shane Gross / Nurse shark (Ginglymostoma cirratum) resting near a coral reef and other fish like blue tangs in The Bahamas.

Shane Gross / Nurse sharks (Ginglymostoma cirratum) three in a courtship dance at sunrise in a mangrove area, Eleuthera, Bahamas.

Shane Gross / Nurse shark (Ginglymostoma cirratum) juvenile hiding under the reef, The Bahamas.

Shane Gross / Nurse shark (Ginglymostoma cirratum) pup, swimming in a mangrove forest. Bimini, Bahamas.

Shane Gross / Nurse shark (Ginglymostoma cirratum) hiding under a ship wreck in Caribbean sea off Cancun, Yucatan, Mexico.

Shane Gross / Nurse shark (Ginglymostoma cirratum) bites onto a female while mating in the shallows, with another male nearby. Eleuthera, Bahamas. Awarded in underwater category, Wildlife Photographer of the Year 2...