These ‘mermaids’ dance underwater for half an hour at a time
A ledge juts out, and below, the bottom drops down to a 20-by-3-foot opening, from where about 120 million gallons of water rush from the planet’s interior each day. That small opening leads to caverns, still not fully mapped or explored, that go down more than 400 feet.
Back up top, a soft-shell turtle swims past the glass wall. Maybe a mullet, or a gar. And then the mermaids.
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