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Rudd

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	Rudd
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	Topics Rudd Topic Home The Rudd (Scardinius erythrophthalmus) is a small fishFacts About Fish A fish is a water-dwelling vertebrate with gills, that remains so throughout its life.... , a widespread member of the family Cyprinidae. The rudd is a benthoBenthos In oceanography, marine geology and biology, benthos are the organisms and habitats of the sea floor; in freshwater biology ... -pelagic freshwaterFreshwater A term that refers to bodies of water such as ponds, lakes, rivers and streams containing low concentrations of dissolved salts an... fish, widely spread in EuropeEurope Europe is one of the seven traditional continents of the Earth.... and middle AsiaAsia Asia is the largest and most populous continent or region, depending on the definition.... , around the basins of the NorthNorth Sea he North Sea is a sea of the Atlantic Ocean, located between Norway and Denmark in the east, Scotland and England in the we... , BalticBaltic Sea The Baltic Sea is located in Northern Europe, from 53N to 66N latitude and from 20E to 26E longitude.... BlackBlack Sea Overview The Black Sea is an inland sea between southeastern Europe and Anatolia that is actually a distant arm of the Atlantic Ocean... , CaspianCaspian Sea The Caspian Sea is the largest lake on Earth by both area and volume, with a surface area of 371,000 square kilometres and ... and Aral seaAral Sea The Aral Sea is a landlocked endorheic sea in Central Asia; it lies between Kazakhstan in the north and Karakalpakstan, an a... s. It has been artificially introduced to IrelandIreland Ireland is the third largest island in Europe.... , USA, MoroccoMorocco The Kingdom of Morocco is a country in North Africa.... , MadagascarMadagascar Summary Madagascar, , is an island nation in the Indian Ocean, off the eastern coast of Africa, close to Mozambique.... , TunisiaTunisia Tunisia , officially the Tunisian Republic , is a country situated on the Mediterranean coast of North Africa.... , New ZealandNew Zealand New Zealand is a country in the south-western Pacific Ocean consisting of two large islands and many much smaller islands, m... , CanadaCanada Overview Canada is the world's second-largest country by total area, occupying most of northern North America.... and SpainSpain Spain, officially the Kingdom of Spain , is a European parliamentary monarchy.... . Identification Morphologically, this species is very similar to the RoachRoach (fish) The Roach is a small freshwater and brackish water fish native to most of Europe and western Asia.... (Rutilus rutilus), with which it can be easily confused. It can be identified by the yellow eye colour. The eye of the Roach has a big red spot above the pupil, that can be more or less conspicuous. The placement of the dorsal fin is more to the rear which is even visible in very young fish. There are normally two scales between the pelvic and anal fins, while on the roach there are five. Also the skin of the Rudd is yellowish green, while the roach is bluish on the flanks. Also the upturned mouth is visible even in young fish. Furthermore the rudds number of soft rayFish anatomy Fish anatomy is primarily governed by the physical characteristics of water, which is much denser than air, holds a relative... s in the dorsal finDorsal fin A dorsal fin is a fin located on the backs of fishes, whales, dolphins and porpoises, as well as the ichthyosaurs.... (8-9 compared to 10-12). There can be confusion with the ideFacts About IDE Meanings of IDE:* Integrated Drive Electronics... also which has smaller scales however. The Rudd can grow to a size of a about 45 cm. Ecology Rudd prefer clear waters rich in plants. They also feed on aquatic vegetation when the temperature exceeds 18 ^oC. They hunt for living prey in the upper levels. They prefer mesostrophic waters, while the roach is sometimes found together with the perchPerch *Perca* is the genus of fish referred to as perch or yellow perch, a group of freshwater fish belonging to the... in waters that are nutrient poor. Hybrids This species can hybridise with virtually all other cyprinids producing intermediate forms. Sometimes hybrids are produced artificially for angling purposes. The Rudd has an upturned mouth because it is easy for them to feed at the top of the water In New Zealand and Canada it is considered a pest fish due to impacts on native species.