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Old 01-31-2017, 11:08 AM
 
Location: Tennessee
28,690 posts, read 48,811,611 times
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Perhaps you know someone who's written his name in snow, you know, with urine. That's essentially what some fish do every day. In a study titled, "To pee or not to pee: urine signals mediate aggressive interactions in the cooperatively breeding cichlid," researchers explain that urination for the cichlid fish is not only a bodily function but also a form of communication, per Science.

Fish Can't Talk, So They Pee Instead
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Old 01-31-2017, 09:26 PM
 
Location: Omaha, Nebraska
8,428 posts, read 4,841,205 times
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Interesting! And not surprising, when you really stop to think about it. Mammals use their bodily wastes to communicate (marking territory boundaries, advertising sexual status, etc.); why shouldn't fish?
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Old 02-01-2017, 05:05 PM
 
Location: Heart of Dixie
12,446 posts, read 11,604,686 times
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Mr Limpet could talk.
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Old 02-02-2017, 06:15 AM
 
248 posts, read 134,188 times
Reputation: 406
Peeing has been a sign of dominance ad infinitum, ad nausaem. Speaking a dead language.
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