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Octopuses get erections

Inflatable organ may aid camouflage.

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  1. Thompson, J. T. & Voight, J. R. Erectile tissue in an invertebrate animal: the Octopus copulatory organ. Journal of Zoology, 261, 101 - 108 (2003).

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Whitfield, J. Octopuses get erections. Nature (2003).

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