The species still lives on some islands in the Bahamas ... day size and the sea level rose accordingly, flooding the blue hole caves in the Bahamas and elsewhere with saltwater.

are "living fossils"—live species closely resembling those preserved in the fossil record. Iliffe says that the greatest percentage of saltwater cave species come from blue holes in the Bahamas ...

Our goal was to map one of the world’s unique ecosystems: underwater caves, aka “blue holes.” Their biogeochemistry creates hot spots for extremophile life-forms. They also contain fossils ...

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.

A deep blue hole in the ocean in Mexico is the deepest known sinkhole in the world - and scientists haven't even been able to ...