Shane Gross / Houndfish (Tylosurus crocodilus) at night in a land locked alakaline lagoon on Eleuthera, Bahamas.

David Fleetham / Hawaiian cleaner wrasse (Labroides phthirophagus) feeding on parasites on Crocodile needlefish (Tylosurus crocodilus) with coral reef below. Hawaii.

Sam Hobson / Houndfish (Tylosurus crocodilus) leaping from water after being disturbed by plunge-diving brown pelican (Pelecanus occidentalis). Cenote Manati, Riviera Maya, Yucatan, Mexico. September.

Chris Newbert / Red Sea Houndfish (Tylosurus choram) group of seven, Red Sea, Egypt

Henley Spiers / Crocodile needlefish (Tylosurus crocodilus) just beneath the surface at night, searching for prey, Moalboal, Cebu, Philippines, Pacific Ocean.