Armored catfish are driving manatees out of their warm-water refuges, putting their health at risk. Here’s why it’s happening ...

About three miles off the coast of Miami Beach in Biscayne Bay lies an underwater oasis ... been molded into starfish, mermaids, sea shells, sharks, turtles, manatees and octopus sculptures.

But there is hope, says Thymann, and documenting this dense habitat of underwater caves may be the first step in protecting the manatees that live there. Receive a weekly dose of discovery in your ...