Morley Read / Slow motion clip of a Forest whiptail lizard (Kentropyx pelviceps) blinking its eye, showing nictitating membrane crossing the eye, Amazon rainforest, Orellana Province, Ecuador. (non-ex)

Alex Mustard / Southern stingray (Dasyatis americana) two swimming over sand bar, under stormy sky. Grand Cayman, Cayman Islands. British West Indies.

Shane Gross / Pelagic thresher shark (Alopias pelagicus) cleaned by a Bluestreak cleaner wrasse (Labroides dimidiatus) at Monad Shoal off Malapascua Island, Philippines.

Shane Gross / Pelagic thresher shark (Alopias pelagicus) being cleaned by a bluestreak cleaner wrasse (Labroides dimidiatus) at Monad Shoal off Malapascua Island, Philippines.

Jordi Chias / Round ribbontail ray (Taeniura meyeni) South Ari Atoll, Maldives. Indian Ocean.

Alex Mustard / Southern stingray (Dasyatis americana) swimming over sand in shallow water, split level photo with blue sky and clouds. The Sandbar, Grand Cayman, Cayman Islands. British West Indies. Caribbean Sea.

Pete Oxford / Diamond Stingray (Dasyatis brevis) digging in sand, Galapagos Islands, Ecuador

Pete Oxford / Diamond Stingray (Dasyatis brevis) pair fighting, Galapagos Islands, Ecuador

Alex Mustard / Large female Southern stingray (Hypanus americanus) in shallow water, under storm clouds, Stingray City, Grand Cayman. Stingray City is feeding site for stingrays and bait was used on this shoot. Caym...

Alex Mustard / Three southern stingrays (Hypanus americanus) under waves. Stingray City, Grand Cayman, Cayman Islands, British West Indies. Caribbean Sea. Bait was used for this shot.

Alex Mustard / Southern stingray (Hypanus americanus) at the surface. Stingray City, Grand Cayman, Cayman Islands, British West Indies. Caribbean Sea. Bait was used for this shot.