Secrets of Shark Island
Smithsonian Channel
Saturday 18 December 2021 17:00 - 18:00 (60 mins)
At a tiny island called Socorro, 200 miles off the Mexican coast, sharks school in numbers almost too great to count. It's a spectacular undersea world with giant manta rays and aggressive moray eels.
Secrets of Shark Island may be available on Prime Video (affiliate link)
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