Crucian Carp Comparison (IMAGE) Lund University Caption The crucian carp lower down in the image has lived near predators, and is therefore bigger (in height). Credit Jerker Vinterstare Usage Restrictions None 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.