17 April 2008

Octopus Sex Is More Complex Than You'd Think

Among the findings of the Cal team who studied the copulating cephalopods: They could identify each other by sex from some distance; smaller males would sometimes mimic the opposite sex to sneak a romantic moment with females that were under male guard; jealous males would stay in dens next to their mates for 10 days or more to defend them and sometimes would insert their mating arm in the female when she left her den to forage.

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