Manta rays establish shadowy presence in South Florida, as global population threatened

FORT LAUDERDALE, Fla. — Giant manta rays radiate menace as they sweep across the ocean surface, their wings reaching a span of up to 29 feet.

FORT LAUDERDALE, Fla. — Giant manta rays radiate menace as they sweep across the ocean surface, their wings reaching a span of up to 29 feet.