Aggressive territorial male Mozambique tilapia fish send chemical messages to rival males via their urine. They increase urination, have smellier urine and store more in their bladders than less aggressive males, according to new research.
Aggressive territorial male Mozambique tilapia fish send chemical messages to rival males via their urine. They increase urination, have smellier urine and store more in their bladders than less aggressive males, according to new research.