What is a European freshwater fish with compressed body reddish ventral and tail fins called?

The European freshwater fish with a compressed body and reddish ventral and tail fins is called the rudd (Scardinius erythrophthalmus). The rudd is a member of the carp family and is native to Europe and western Asia. It is a small fish, typically reaching a length of 20-30 cm, with a deep, compressed body and a forked tail. The rudd has a silvery body with a greenish or bluish back and reddish ventral and tail fins. The rudd is a popular sport fish and is also used as food.