Carassius carassius

Karuss er en karpefisk som holder til på Sør- og Østlandet og i Europa. Den holder til i små tjern som gjerne fryser til om vinteren. Den kan overleve flere måneder uten oksygen. Den produserer egen frostvæske, etanol, som gjør at den overlever nedfrysningen.

It occurs widely in northern European regions.

Most species in this genus are commonly known as crucian carps, though this term often specifically refers to C. The most well known is the goldfish (C. auratus). They have a Eurasian distribution, apparently originating further to the west than the . Live up to about years. There is some confusion in the literature surrounding the use of the names crucian carp and Prussian carp. Appearance: The faster-growing form of the Crucian carp, which is found in rich lakes and sea inlets, is a . Absent from North Sea basin in Sweden and Norway.

In Baltic basin north to about 66°N.

There is very little information available which reports negative impacts associated with C. A taxonomic species within the family Cyprinidae – the crucian carp. The fish in a muddy pond. Camera: Canon Powershot SX200. Carassius carassius on.

There are no recent reports of crucian carp in the U. Карась золотой, или обыкновенный, широко распространен в бассейне Енисея. На юге обитает в мелководных, сильно заросших и заиленных со стоячей водой озерах, прудах, старицах, торфяных карьерах. Особенно многочислен в бассейнах небольших, тиховодных левобережных притоках Енисея . Семейство Карповые (Cyprinidae).

Распространение: Европа и Сибирь. В реках бассейна Северного Ледовитого океана он встречается от Северной Двины до Колымы и озёр верховьев реки Урак в бассейне Охотского моря. Встречается в Урале и Эмбе, населяет . The diploid chromosome number (2n) in this species was 100. Its karyotype was composed of pairs of . En överlevare i syrefattiga vatten, och en art som kan variera mycket i utseende.

Ruda liknar karp och silverruda med sin breda ryggfena men saknar karpens skäggtömmar, och ryggfenans ytterkant buktar utåt där silverrudans och karpens buktar inåt.

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