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Changing Seas
The Secret Sex Life of Fish
Season 7
Episode 704
Most people are familiar with the pretty tropical fish found in aquariums, but few realize that some of these animals are capable of changing sex. Discover the unique ways of how some fish species do this and why they likely evolved this way.
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26:42
Scientists study tarpon, bonefish and permit to better understand their behaviors.
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26:42
Scientists work to save crocodiles through research and conservation.
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26:42
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27:13
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26:43
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26:43
Visit the remote Pacific, the islands of Maug - a natural laboratory for scientists.
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26:43
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26:43
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