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.