The Rudd (Scardinius erythrophthalmus) is a small fish, a widespread member of the family Cyprinidae. For other uses, see Scientific classification (disambiguation). ... For other uses, see Animal (disambiguation). ... Typical Classes See below Chordates (phylum Chordata) are a group of animals that includes the vertebrates, together with several closely related invertebrates. ... Orders See text The Actinopterygii are the ray-finned fish. ... Families Suborder Cobitoidea     Balitoridae (hillstream loaches)     Catostomidae (suckers)     Cobitidae (loaches)     Gyrinocheilidae (algae eaters) Suborder Cyprinoidea     Cyprinidae (carps and minnows) The Cypriniformes are an order of ray-finned fish, including the minnows and some related families. ... Genera (many, see text) The family Cyprinidae, named after the Greek word for goldfish, consists of the carps and minnows. ... Scardinius is a genus of ray-finned fish in the Cyprinidae family. ... This article does not cite any references or sources. ... Carl Linnaeus, Latinized as Carolus Linnaeus, also known after his ennoblement as  , (May 13, 1707[1] – January 10, 1778), was a Swedish botanist, physician and zoologist[2] who laid the foundations for the modern scheme of nomenclature. ... Year 1758 (MDCCLVIII) was a common year starting on Sunday (link will display the full calendar) of the Gregorian calendar (or a common year starting on Thursday of the 11-day slower Julian calendar). ... For other uses, see Fish (disambiguation). ... Genera (many, see text) The family Cyprinidae, named after the Greek word for goldfish, consists of the carps and minnows. ...

The rudd is a bentho-pelagic freshwater fish, widely spread in Europe and middle Asia, around the basins of the North, Baltic Black, Caspian and Aral seas. It has been artificially introduced to Ireland, USA, Morocco, Madagascar, Tunisia, New Zealand, Canada and Spain. Seagrass growing off the coast of the Florida Keys. ... The pelagic zone is the part of the open sea or ocean comprising the water column, i. ... For the village on the Isle of Wight, see Freshwater, Isle of Wight. ... For other uses, see Europe (disambiguation). ... For other uses, see Asia (disambiguation). ... The North Sea is a sea of the Atlantic Ocean, located between the coasts of Norway and Denmark in the east, the coast of the British Isles in the west, and the German, Dutch, Belgian and French coasts in the south. ... The Baltic Sea is located in Northern Europe, from 53°N to 66°N latitude and from 20°E to 26°E longitude. ... For other uses, see Black Sea (disambiguation). ... The Caspian Sea is the largest enclosed body of water on Earth by area, variously classed as the worlds largest lake or a full-fledged sea. ... The Aral Sea (Kazakh: Арал Теңізі, Aral Tengizi, Uzbek: , Russian: Аральскοе мοре) is a landlocked endorheic sea in Central Asia; it lies between Kazakhstan in the north and Karakalpakstan, an autonomous region of Uzbekistan, in the south. ...

Morphologically, this species is very similar to the Roach (Rutilus rutilus), with which it can be easily confused. It can be identified by eye colour (deep blood-red as opposed to yellow) or counting the soft rays in the dorsal fin (8-9 compared to 10-12). Confusingly, these species can hybridise, producing intermediate forms. The rudd can also hybridise with the carp bream Abramis brama. For other uses, see Roach. ... Look up ray in Wiktionary, the free dictionary. ... Dorsal fin of an orca A dorsal fin is a fin located on the backs of fishes, whales, dolphins, and porpoises, as well as the (extinct) ichthyosaurs. ... This article is about a biological term. ... Binomial name Linnaeus, 1758 The carp bream (Abramis brama) is a species of fresh-water fish belonging to the family Cyprinidae, to which about 1,500 species belong. ...

In New Zealand and Canada it is considered a pest fish due to impacts on native species.

References

• Scardinius erythrophthalmus (TSN 163613). Integrated Taxonomic Information System. Accessed on 19 March 2006.
• "Scardinius erythrophthalmus". FishBase. Ed. Ranier Froese and Daniel Pauly. November 2005 version. N.p.: FishBase, 2005.