arcticpenguin
Philosopher
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http://www.theaustralian.news.com.au/common/story_page/0,5744,7800097%5E29677,00.html
Isn't science grand?Herrings communicate with one another by emitting high-pitched sounds from their anuses, according to Canadian researchers.
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Fish have long been known to communicate with potential mates by making grunting and buzzing sounds by wobbling their swim bladders - bags full of air that control buoyancy - but fishy flatulence adds a whole new dimension to their vocabulary.
The biologists initially thought the higher-pitched sounds they were detecting were also caused by the swim bladder. Then they noticed bubbles coming from the fish's anuses in time with the sounds. At this point, reports NewScientist.com, the biologists named the sounds Fast Repetitive Ticks - FRTs.