Please double-click on the English subtitles below to play the video.
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Squids have a an extremely complex,
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interesting sex life.
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Here you see a male and a female.
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The male, on the left, has been
fighting off other males
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to pair with the female, and now
he's showing a dual pattern.
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He shows courtship and love on
her side, fighting on the other.
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Watch him when she shifts places --
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and you see that he has fluidly
changed the love-courtship pattern
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to the side of the female.
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So this kind of dual
signaling simultaneously
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with a changing behavioral context
is really extraordinary.
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It takes a lot of brain power.
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