Southern stingray (Hypanus americanus) over sand in shark and ray alley, Caye Caulker, Mesoamerican Barrier Reef, Belize

Nurse sharks (Ginglymostoma cirratum), being fed in shark and ray alley, Caye Caulker, Mesoamerican Barrier Reef, Belize

Nurse sharks (Ginglymostoma cirratum), being fed in shark and ray alley, Caye Caulker, Mesoamerican Barrier Reef, Belize

Southern stingray (Hypanus americanus) being fed in shark and ray alley, Caye Caulker, Mesoamerican Barrier Reef, Belize

Green sea turtle (Chelonia mydas), feeding on the sand near Caye Caulker, inside the Mesoamerican Barrier Reef, Belize

Bluefin Trevally feeding under the glass bottom boat of Captain Tama's Lagoon Cruises, Muri Lagoon, Rarotonga, Cook Islands, South Pacific, Pacific

Juvenile striped catfish (Plotosus lineatus) schooling and feeding on sandy bottom, Puerto Galera, Mindoro, Philippines, Southeast Asia, Asia

Bottlenose dolphin (Tursiops truncatus). Underwater crater, feeding on sandy bottom. Bahamas.

Juvenile striped catfish (Plotosus lineatus) schooling and feeding on sandy bottom, Puerto Galera, Mindoro, Philippines, Southeast Asia, Asia

Gray Whale (Eschrichtius robustus) bottom feeding in the sand in San Ignacio Lagoon, Baja California Sur, Mexico.

Bottlenose dolphin (Tursiops truncatus). Surfacing after feeding on bottom, Bimini, Bahamas.

Juvenile striped catfish, Plotosus lineatus, schooling and feeding on sandy bottom, Puerto Galera, Mindoro, Philippines.

A dog lying on a tile floor next to food bowls, viewed from above, creating a peaceful scene

Small male, top, and large female, bottom, silk spider (Nephila sp.), Africa, eating a leaf insect or walking leaf (Phylliidae)

Group of Red Sea garden eels (Gorgasia sillneri), feeding on plankton floating by them leaning out of the sandy bottom, Eel Garden, Red sea, Dahab, Sinai Peninsula, Egypt, Africa

Giraffe (Giraffa camelopardis) feeding on camel thorn tree, Etosha National Park, Namibia, Africa

Bear baboon, chacma baboon (Papio ursinus), young, sitting, on ground, with food, feeding, alert, Kruger National Park, South Africa, Africa

An endangered Green sea turtle (Chelonia mydas) swims underwater in Maui along the sandy bottom looking for food; Paia, Maui, Hawaii, United States of America

An endangered Green sea turtle (Chelonia mydas) swims underwater in Maui along the sandy bottom looking for food. Sea turtles are captivating for snorkelers, divers and tourists who come to Hawaii to enjoy these sea creatures; Paia, Maui, Hawaii, United States of America

Mouth detail of a colorful and healthy mushroom coral (Fungia fungites) that is growing on a tropical coral reef. Mushroom coral is unique in the coral world, in that it does not attach itself to the bottom, Philippines

Mouth detail of a colourful and healthy Mushroom coral, Fungia fungites, that is growing on a tropical coral reef in the Philippines. Mushroom coral is unique in the coral world, in that it does not attach itself to the bottom, Philippines

Hawaii, school of Raccoon Butterflyfish feeding along reef.

Great Hammerhead Shark and divers on sandy bottom, Bahamas

Freediver watching a Green turtle (Chelonia mydas) feeding on seagrass at the bottom. Abu Dabbab Bay, Marsa Alam, Egypt, Red Sea