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

Wild Wonders of Europe / Lundgren / Round stingray (Taeniura grabata) swimming over rocks, Princesa Alice, Azores, Portugal, June 2009

Pascal Kobeh / Round stingray (Taeniura grabata) laying on the sand and hiding in a cave, Canary Islands

Claudio Contreras / Crab trap with Cortez Stingray (Urobatis maculatus), Magdalena Bay, Baja California, Mexico, February

Claudio Contreras / Thorny round stingray (Urotrygon chilensis), Punta Maguey, Huatulco Bays National Park, southern Mexico.

Jordi Chias / Nurse sharks (Ginglymostoma cirratum) and Round ribbontail stingray (Taeniurops meyeni) feeding at night, Felidhoo Atoll, Maldives, Indian Ocean

Franco Banfi / Round stingray (Taeniura grabata) Santa Maria Island, Azores, Portugal, Atlantic Ocean

Pascal Kobeh / Yellow stingray (Urolophus / Urobatis jamaicensis), San Salvador Island / Colombus Island, Bahamas. Caribbean.

Pascal Kobeh / Close-up of the tail and the sting of a Round ribbontail ray (Taeniura meyeni) coast of Dhofar and Hallaniyat islands, Oman. Arabian Sea.

Pascal Kobeh / Cortez round stingray / Spotted round ray (Urobatis maculatus) Baja California peninsula, Mexico. Sea of Cortez.

Pascal Kobeh / Cortez round stingray / Spotted round ray (Urobatis maculatus) Baja California peninsula, Mexico. Sea of Cortez.

Pascal Kobeh / Cortez round stingray / spotted round ray (Urobatis maculatus) at night, Baja California peninsula, Mexico. Sea of Cortez.

Pascal Kobeh / Cortez round stingray / spotted round ray (Urobatis maculatus) at night, Baja California peninsula, Mexico. Sea of Cortez.

Pascal Kobeh / Reef stingray (Urobatis concentricus) at night, Baja California peninsula, Mexico. Sea of Cortez.

Claudio Contreras / Cortez Round Stingray (Urobatis maculatus), San Pedro Martir Island Protected Area, Gulf of California (Sea of Cortez), Mexico, July

Claudio Contreras / Cortez Round Stingray (Urobatis maculatus), San Pedro Martir Island Protected Area, Gulf of California (Sea of Cortez), Mexico, July

Franco Banfi / Scuba diver photographing Round Stingray (Taeniura grabata) Pico Island, Azores, Portugal, Atlantic Ocean

Franco Banfi / Round Stingray (Taeniura grabata) covered in sand, probably pregnant female, Pico Island, Azores, Portugal, Atlantic Ocean

Franco Banfi / Scuba diver photographing Round Stingray (Taeniura grabata) Pico Island, Azores, Portugal, Atlantic Ocean

Franco Banfi / Round Stingray (Taeniura grabata) Pico Island, Azores, Portugal, Atlantic Ocean

Franco Banfi / Round Stingray (Taeniura grabata) Pico Island, Azores, Portugal, Atlantic Ocean

Franco Banfi / Round Stingray (Taeniura grabata) Pico Island, Azores, Portugal, Atlantic Ocean

Alex Mustard / Southern stingray (Hypanus americanus) female swimming over ripples on a sand bank, photographed with a circular fisheye lens, The Sandbar, Grand Cayman, Cayman Islands, British West Indies, Caribbean...

Jeff Rotman / Pacific electric / Round torpedo ray (Torpedo californica) diving into the canopy of the kelp forest, Pacific Ocean, California, USA

Franco Banfi / Cortez round stingray (Urolophus maculatus) resting on seabed at night, Baja California, Mexico, Sea of Cortez.

Franco Banfi / Group of Cortez round stingrays (Urolophus maculatus) camouflaged on the seabed, feeding on plankton at night, Espiritu Santo Island, Baja California, Mexico, Sea of Cortez.

David Fleetham / Yellow stingray (Urolophus jamaicensis) close up of tail barb against sandy sea floor, off Singer Island, Atlantic Ocean, Florida, USA.

David Fleetham / Yellow stingray (Urolophus / Urobatus jamaicensis) with reticulated patterning, swimming over sandy sea bed off Singer Island, Atlantic Ocean, Florida, USA.

Shane Gross / Stingray, caught while fishing for other species, is killed to be used as bait for shark fishing off a purpose-built fishing dock in Pensacola, Florida, USA.

Franco Banfi / Round stingray (Taeniura grabata), Formigas Islet dive site, Santa Maria Island, Azores, Portugal, Atlantic Ocean

Franco Banfi / Scuba diver with Round Stingray (Taeniura grabata), Formigas Islet dive site, Azores, Portugal, Atlantic Ocean

Franco Banfi / Scuba diver with Round stingray (Taeniura grabata), Formigas Islet dive site, Santa Maria Island, Azores, Portugal, Atlantic Ocean

Franco Banfi / Small box fish in front of Round stingray (Taeniura grabata), Formigas Islet dive site, Santa Maria Island, Azores, Portugal, Atlantic Ocean

Shane Gross / Yellow stingray (Urobatis jamaicensis) hiding in Turtlegrass (Thalassia testudinum) seagrass bed. The Bahamas.

Shane Gross / Yellow stingray (Urobatis jamaicensis) on sand seabed by coral reef, The Bahamas.