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Cyprinus rubrofuscus, the Amur carp, is a species of cyprinid fish, and is the wild form of the well-known koi.It is widespread in the fresh waters of eastern Asia, native to China, Korea, Russia, Vietnam and Laos from the Amur to Red River basins, and has also been introduced outside its native range. [1]
Cyprinidae is a family of freshwater fish commonly called the carp or minnow family, including the carps, the true minnows, and their relatives the barbs and barbels, among others. Cyprinidae is the largest and most diverse fish family, and the largest vertebrate animal family overall, with about 3,000 species ; only 1,270 of these remain ...
Although the carp was an important aquatic food item, as more fish species have become readily available for the table, the importance of carp culture in Western Europe has diminished. Demand has declined, partly due to the appearance of more desirable table fish such as trout and salmon through intensive farming , and environmental constraints.
Common carp by Alexander Francis Lydon. The type subspecies is Cyprinus carpio carpio, native to much of Europe (notably the Danube and Volga rivers). [2] [4]The subspecies Cyprinus carpio haematopterus (Amur carp), native to eastern Asia, was recognized in the past, [4] but recent authorities treat it as a separate species under the name Cyprinus rubrofuscus.
The Kollar carp (Cyprinus carpio x Carassius auratus) is a hybrid fish obtained by crossing common carp (Cyprinus carpio) and goldfish (Carassius auratus). Described by the Austrian zoologist Johann Jacob Heckel , its binomial name pays tribute to his compatriot, entomologist Vincenz Kollar .
The other families are of less commercial importance. The Catostomidae have some importance in angling, and some "loaches" are bred for the international aquarium fish trade. Accidentally or deliberately introduced populations of common carp (Cyprinus carpio) and grass carp (Ctenopharyngodon idella) are found on all continents except Antarctica.
The fish are a breed of the common carp, Cyprinus carpio, which includes numerous wild carp races as well as domesticated koi (nishikigoi). In July 1977, the then Crown Prince Akihito visited the Saitama Prefectural Fisheries Experiment Station and suggested that there was a carp with a long fin in Indonesia ( Cypirnus carpio var. flavipinnis C ...
Increasingly, these fish are being breed artificially for aquaculture. This is a common practice in Laos and Thailand. In order to capture wild fish, aquaculture sites set up large-mesh gill netting at spawning sites. Not only does this capture many wild Jullien's golden carp, but it also stops them from spawning, further diminishing their numbers.