Pascal Kobeh / Pair of courting Egg-eating / Turtleheaded sea snakes (Emydocephalus annulatus) New Caledonia, Pacific Ocean.

Pascal Kobeh / Pair of courting Egg-eating sea snakes / Turtleheaded sea snakes (Emydocephalus annulatus) New Caledonia, Pacific Ocean.

Pascal Kobeh / Close-up of a Egg-eating / Turtleheaded sea snake (Emydocephalus annulatus) with eggs coming out of its mouth, New Caledonia, Pacific Ocean.

David Hall / Snake anemone (Actinostephanus haeckeli). Pantar, Alor Archipelago, Indonesia.

David Hall / Convict snake eel (Leiuranus versicolor) on sea floor. Pantar, Alor Archipelago, Indonesia.

Magnus Lundgren / Wild Wonders of China / Ijima's Turtle-headed Sea Snake (Emydocehalus ijimae) Green Island, a small volcanic island in the Pacific Ocean , Taiwan

Magnus Lundgren / Wild Wonders of China / Ijima's Turtle-headed sea snake (Emydocehalus ijimae) Green Island, a small volcanic island in the Pacific Ocean, Taiwan

Shane Gross / A Banded sea krait (Laticauda colubrina) searches a seagrass bed for food, off North Sulawesi, Indonesia.

Shane Gross / A Banded sea krait (Laticauda colubrina) searches a seagrass bed for food, off North Sulawesi, Indonesia.

Pascal Kobeh / Henshaw's snake eel (Brachysomophis henshawi) burried in the sand, Sulu sea, Philippines

Pascal Kobeh / Henshaw's snake eel (Brachysomophis henshawi) buried in the sand, Sulu sea, Philippines

Oscar Dewhurst / Long-eared owl (Asio otus) in flight over farmland. Durham, UK. May