Alex Mustard / Manta ray (Manta birostris) feeding on plankton in a shallow lagoon. Hanifaru Lagoon, Baa Atoll, Maldives. Indian Ocean.

Alex Mustard / Giant Pacific Manta Ray (Manta birostris) portrait with Remora fish (Echeneididae) Roca Partida, Revillagigedos Islands, Mexico. East Pacific Ocean. February

Georgette Douwma / Manta ray {Manta birostris} feeding at surface, Sudan, Red Sea

Flip Nicklin / Manta Ray (Manta birostris) with two Remora (Remora remora) attached to it, Hallcion Reef, Cocos Island, Costa Rica

Flip Nicklin / Manta Ray (Manta birostris) Flower Garden Banks National Marine Sanctuary, Louisiana, Gulf of Mexico

DOC WHITE / Underside view of Manta Ray {Manta birostris} Mexico,

Georgette Douwma / Manta rays filter feeding at sea surface, Red Sea off Sudan

Ralph Pace / Manta Ray (Manta birostris), Baja California, Mexico

Alex Mustard / Manta ray (Mobula birostris) approaching a reef to be cleaned. Cousins Rock, San Salvador Island, Santiago Island, Galapagos National Park, Galapagos Islands. East Pacific Ocean.

Alex Mustard / Oceanic manta (Mobula birostris). Cousins Rock, San Salvador Island, Santiago Island, Galapagos National Park, Galapagos Islands. East Pacific Ocean.

Stephane Granzotto / Whale shark (Rhincodon typus) and Manta ray (Manta birostris) during a sardine run, Yucatan, Mexico.

David Fleetham / Manta ray (Manta birostris) gliding over a cleaning station in M'il Channel, Yap, Micronesia.