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Crayfish enact dominance/submission rituals: study

By KeithLDick     Nov 20, 2006 in Technology
Interesting how they display some characteristics of animals higher up the evolutionary chain than them...
"We found that crayfish display such a complex ritual, when two males engaged in pseudocopulatory behavior to signify their dominance relationship," they wrote.
"This was followed by a reduction in aggression and an increased likelihood of the subordinate's survival."
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