Carp living with rice plants (IMAGE) eLife Caption A local carp living with rice plants in a co-culture experiment; it removes weeds and pests as well as promotes nitrogen recycling and the plants taking up nutrients Credit Lufeng Zhao (CC BY 4.0) Usage Restrictions Credit must be given to the creator. License CC BY Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.