The crossword solution for the term Nurse Shark is GATA, which stands for the 'Ginglymostoma Cirratum'. This species of shark is found in tropical and subtropical waters of the Atlantic and Pacific Oceans. It is a relatively small species of shark, growing up to 4.9 feet in length. Nurse Sharks are nocturnal bottom-dwellers that feed on crustaceans, mollusks, and small fish. They are also known to be docile and slow-moving, making them popular with divers and snorkelers.