Count as many little blue fish as possible, and don’t count any of them twice. The aquatic marvel in question is the Devils Hole pupfish. The species lives nowhere in the world but inside a ...

Blue Hole Park is often overlooked when cruise ships ... Cliff jumping and the chance to swim with tropical fish found favor with adventurous travelers. Reviewers advise bringing a towel and ...

But perhaps its most famous occupant is one that keeps fighting against all odds: the Devils Hole pupfish, a tiny endangered vertebrate that also happens to be the rarest fish on the planet.

It's called the Great Blue Hole. Scuba divers and snorkelers have been cruising the surface waters for decades, but few have dared to venture deeper and explore what lies beyond the blackness.

It has a tiny, silvery-blue body and a ... an unlikely climate for any fish to survive in. However, that is where pupfish thrive. Their favorite spot in Devil’s Hole is in the shallow water ...

Dean's Blue Hole is the second deepest sinkhole in the world and the deepest one filled with salt water. A habitat for a variety of fish, the sinkhole can be traversed by even novice swimmers and ...