Alex Mustard / Dugong (Dugong dugon) male and juvenile Golden trevally (Gnathanodon speciosus) swimming over Seagrass (Halophila stipulacea) meadow. Marsa Nabaa, Marsa Alam, Egypt.

Alex Mustard / Green turtle (Chelonia mydas) feeding on Seagrass (Halophila stipulacea), blowing sand out of nostrils, on sea floor. Marsa El Shouna, Marsa Alam, Egypt.

Cheryl-Samantha Owen / Looking down on sea grass, Aldabra Atoll, Seychelles, Indian Ocean

Kerstin Hinze / European hamster (Cricetus cricetus) adult female, feeding on flowers of Broadleaf plantain (Plantago major), captive

Alex Mustard / Turtle seagrass (Thalassia testudinum) a shallow seagrass meadow in a lagoon behind a coral reef, East End, Grand Cayman, Cayman Islands, British West Indies, Caribbean Sea.

Juergen Freund / Oval seagrass (Halophila ovalis) food for the endangered Dugong, Palawan, Philippines, Indo-pacific.

Chris Newbert / Cuttlefish (Sepia sp) resting on Sea Grass (Halophila ovalis) 30 feet deep, Papua New Guinea

Franco Banfi / RF - Dugong (Dugong dugon) feeding on a Seagrass meadow (Halophila stipulacea) on seabed, accompanied by Golden trevally (Gnathanodon speciosus) juvenile, Marsa Alam, Egypt, Red Sea. (This image may b...

Franco Banfi / Green turtle (Chelonia mydas) on seabed feeding on Seagrass (Halophila stipulacea) with Remora fish (Echeneis naucrates), Abu Dabbab Bay, Marsa Alam, Egypt, Red Sea. Endangered.

Franco Banfi / Freediver watching a Green turtle (Chelonia mydas) feeding on seabed, Abu Dabbab Bay, Marsa Alam, Egypt, Red Sea. Endangered. Model released.

Franco Banfi / Dugong (Dugong dugon) resting on seabed after feeding on Seagrass meadow (Halophila stipulacea), Marsa Alam, Egypt, Red Sea.

Franco Banfi / Dugong (Dugong dugon) resting on seabed after feeding on Seagrass meadow (Halophila stipulacea), Marsa Alam, Egypt, Red Sea.