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 / Sharpsnout snake eel (Apterichtus klazingai) peering out from the seabed, off North Sulawesi, Indonesia.

Shane Gross / Marbled snake eel (Callechelys marmorata) burries herself in the sandy seabed off North Sulawesi, Indonesia.

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

Shane Gross / Head portrait of a Shaws seasnake (Lapemis curtus) underwater near Malapascua, Philippines.

Georgette Douwma / Banded or Harlequin snake eel (Myrichthys colombrinus). Lembeh Strait, North Sulawesi, Indonesia.

Georgette Douwma / Little filesnake (Acrochordus granulatus). underwater, North Sulawesi, Indonesia.

Pascal Kobeh / Black finned snake eel (Ophichthus melanochir) buried in the sand, Sulu Sea, Philippines