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An interesting thing about fish is that their shit, piss, cum and various effluvia are all circulating around in their tank, so you can 'flush' them and measure their toilet water for metabolites. https://t.co/NNTcfZ5Yyh
An interesting thing about fish is that their shit, piss, cum and various effluvia are all circulating around in their tank, so you can 'flush' them and measure their toilet water for metabolites. https://t.co/NNTcfZ5Yyh