Red rudd, magpie, magpie, magpie, rudd, red-winged or red-eyed [1] ( lat. Scardinius erythrophthalmus ) - a species of freshwater fish of the cyprinid family, widespread in the waters of Europe and Central Asia .
| Rudd |
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| Scientific classification |
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| No rank : | Bilateral symmetrical |
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| International scientific name |
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Scardinius erythrophthalmus ( Linnaeus , 1758 ) |
| Security status |
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Least ConcernedIUCN 3.1 Least Concern : 19946 |
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- In the Far East of Russia, rudd is called coarse-grained , small-scaled and Sakhalin rudd-ogai.
A typical flocking species of fish lives in lakes and rivers flowing into the North , Baltic , Black , Azov , Caspian and Aral seas. Introduced by man to Ireland , Morocco , Madagascar , Tunisia , New Zealand , Canada and Spain . In New Zealand and Canada it is considered as a harmful species, crowding out local fish species.
Outwardly resembles roach . The easiest way to distinguish is the golden color of the scales and fiery red fins. As well as eye color: the rudd has orange eyes, with a red spot at the top [2] , while the roach has blood red. Another difference is the number of soft rays on the dorsal fin: the rudd is 8–9, while the roach is 10–12. Sometimes there are hybrid forms of these fish, possessing the characteristics of both species.
The body length can reach 51 cm, and the maximum known weight is 2.1 kg; usual sizes are 16-19 cm and weight is 100-300 g. Life expectancy is up to 19 years. The body is slightly flattened on the sides and covered with relatively large scales . One dorsal fin. In the anal fin there are 3 hard and 8-12 soft rays, 36-39 vertebrae. [2] [3] The Russian name of this species is associated with the bright color of the fins.
