Tweet (IMAGE) Pensoft Publishers Caption A tweet including two fish images posted on June 14, 2015. The image on the left shows two bluegill fish, while the one on the right shows juveniles of L. macrochirus macrochirus and two young goldfish. The comments are translated into English as follows: "The results of a pool cleaning. I cannot believe the foolishness of the person who introduced these fish into the pool." Credit Akinori Teramura Usage Restrictions CC-BY 4.0 License Licensed content 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.