Georgette Douwma / Black stingray (Taeniura melanospilos) lying on sandy bottom under overhang with Blueline snappers (Lutjanus kasmira). Maldives.

Alex Mustard / Close up of eye and spiracle of Marbled stingray (Taeniurops meyeni). Spiracle allows a ray to breath while resting on the seabed because its mouth and gills are on its underside. Baa Atoll, Maldives....

Alex Mustard / Close up of the venomous stinger / barb of a Marbled stingray (Taeniurops meyeni) Baa Atoll, Maldives, Indian Ocean.

Fred Bavendam / Speckled Stingray (Taeniura meyeni), Cocos Island, Costa Rica

Fred Bavendam / Speckled Stingray (Taeniura meyeni), Cocos Island, Costa Rica

Doug Perrine / Marbled stingray {Taeniurops meyeni} on seabed, Queensland, Australia

Birgitte Wilms / Speckled Stingray (Taeniura meyeni) underwater, showing bottom side of ray, Cocos Island, Costa Rica

Fred Bavendam / Speckled Stingray (Taeniura meyeni) surrounded by Estuary Stingray (Dasyatis fluviorum) group