Claudio Contreras / Hawksbill turtle (Eretmochelys imbricata) swimming, viewed from below, Cozumel Reefs National Park, Cozumel Island, Yucatan Peninsula, Mexico, February

Claudio Contreras / Giant barrel sponge (Xestospongia muta) Cozumel Reefs National Park, Cozumel Island, Caribbean Sea, Mexico, February

Kevin Schafer / Pygmy Raccoon (Procyon pygmaeus) portrait, Cozumel Island, Mexico. Critically endangered endemic species.

Pascal Kobeh / Goldentail moray (Gymnothorax miliaris) Cozumel Island, Yucatan peninsula, Mexico.

Pascal Kobeh / Queen angelfish or blue or golden angelfish (Holacanthus ciliaris) Cozumel Island, Yucatan peninsula, Mexico.

Claudio Contreras / Giant anemone (Condylactis gigantea) Cozumel Reefs National Park, Cozumel Island, Caribbean Sea, Mexico, January

Claudio Contreras / Yellow tube sponge (Aplysina fistularis) Cozumel Reefs National Park, Cozumel Island, Caribbean Sea, Mexico, January

Claudio Contreras / Giant barrel sponge (Xestospongia muta) Cozumel Reefs National Park, Cozumel Island, Caribbean Sea, Mexico, January

Claudio Contreras / Row pore rope sponge (Aplysina cauliformis) Cozumel Reefs National Park, Cozumel Island, Caribbean Sea, Mexico, February

Claudio Contreras / French angelfish (Pomacanthus paru) juvenile, Cozumel Reefs National Park, Cozumel Island, Caribbean Sea, Mexico, January

Claudio Contreras / French angelfish (Pomacanthus paru) juvenile, Cozumel Reefs National Park, Cozumel Island, Caribbean Sea, Mexico, January

Claudio Contreras / French angelfish (Pomacanthus paru) and sponges, Cozumel Reefs National Park, Cozumel Island, Caribbean Sea, Mexico, February