Rudd

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Related to Scardinius erythrophthalmus: Stizostedion lucioperca
The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.

Rudd

 

(Scardinius erythrophthalmus), a freshwater fish of the family Cyprinidae. Body length, up to 36 cm; weight, up to 1 kg. The body is somewhat laterally compressed, with relatively large scales. The paired and anal fins are bright red. The body coloration is usually silvery; large individuals are golden.

The rudd is distributed in Europe, Asia Minor, and Middle Asia; however, it is absent from rivers that empty into the Arctic Ocean and is rarely found in the Severnaia Dvina. Spawning, which occurs in early summer, is in batches. The rudd feeds on plants and invertebrates; it sometimes preys upon the young of other fishes. It is of little commercial value. In the Far East the dace Leuciscus brandti is also called rudd; it inhabits seas in the Far East and has some commercial value.

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.
References in periodicals archive ?
2015: Seasonal diet shifts and trophic position of an invasive cyprinid, the rudd Scardinius erythrophthalmus (Linnaeus, 1758), in upper Niagara River.
1996: The diet of rudd, Scardinius erythrophthalmus and its role in a biomanipulation experiment in Lake Wirbel.
Table 4 shows trace element concentrations in muscle tissues of 17 different fish species, namely, Silurus glanis, Blicca bjoerkna, Capoeta pestai, Cyprinus carpio, Scardinius erythrophthalmus, Mugil cephalus, Barbus capito, Esox lucius, Tinca tinca, Trachurus mediterraneus, Sarda sarda, Mullus barbatus, Engraulis encrasicolus, Gobius niger, Merlangius merlangus, Belone belone and Pomatomus saltatrix.
The influence of simulated aquatic macrophytes on the zooplankton consumption rate of juvenile roach, Rutilus rutilus, rudd, Scardinius erythrophthalmus, and perch, Perca fluviatilis.
Length groups (cm) Prey items < 44 (n = 29) 45-59 (n = 36) %FO %IRI %FO %IRI Fish 96.6 99.1 100.0 100.0 Rutilus rutilus 17.2 20.4 30.6 47.3 Scardinius erythrophthalmus 13.8 8.8 13.9 8.3 Abramis brama 8.3 6.3 Blicca bjoerkna 27.6 37.6 5.6 1.7 Alburnus alburnus 3.4 0.3 5.6 1.0 Tinca tinca 3.4 1.0 Carassius gibelio 6.9 2.1 16.7 21.2 Hypophthalmichthys sp.
The first West Branch collection of the eurasian rudd (Scardinius erythrophthalmus) was included with this catch.
First records for Canada of the rudd, Scardinius erythrophthalmus, and the round goby, Neogobius melanostomus.