Alex Mustard / Pederson cleaner shrimp (Periclimenes pedersoni) cleaning the eye of a Nassau grouper (Epinephelus striatus), Bloody Bay Wall, Little Cayman, Cayman Islands. British West Indies, Caribbean Sea.

Alex Mustard / Caribbean spiny lobster (Panulirus argus) scampers across a coral reef amongst sponges, Bloody Bay Wall, Little Cayman, Cayman Islands. British West Indies, Caribbean Sea.

Alex Mustard / Lionfish (Pterois volitans) sitting on the rim of large sponge on Bloody Bay Wall, Little Cayman, Cayman Islands, Caribbean Sea.

Alex Mustard / Goliath grouper (Epinephelus itajara) on a rich coral reef with a diver swimming alongside, Bloody Bay Wall, Little Cayman, Cayman Islands, British West Indies, Caribbean Sea.

Alex Mustard / Diver tickling Nassau grouper (Epinephelus striatus) Bloody Bay Wall, Little Cayman, Cayman Islands. British West Indies, Caribbean Sea. Model released.

Doug Perrine / Divers diving near sponges at Bloody Bay Wall, Little Cayman Island