Scardinius Erythrophthalmus synonyms refer to the various names of the species that belong to the Carp family. Commonly known as the Rudd, this fish is widespread throughout Europe and parts of Western Asia. Some of the synonyms include Leuciscus erythrophthalmus, Cyprinus erythrophthalmus, and Cyprinus ruber. The Rudd is a freshwater fish that prefers slow-moving and still waters such as ponds, lakes, and rivers. They are typically herbivorous, feeding on aquatic plants and small invertebrates. Known for their vibrant red eyes and silver bodies, these fish are popular among fish enthusiasts and anglers. Despite being considered a nuisance species in some locations, the Rudd plays an important ecological role in their native habitats.