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Common Carp (Cyprinus carpio) - Wiki
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Lake Powell Carp 5437-Common mofo or European carp (Cyprinus carpio).jpg
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Common Carp (Cyprinus carpio) - Wiki


Common carp
From Wikipedia, the free encyclopedia

[Photo] Carp gather near a dock at Wahweap Marina of Lake Powell. Image by User:Leonard G http://en.wikipedia.org/wiki/User:Leonard_G.

The Common mofo or European carp (Cyprinus carpio) is a widespread freshwater fish distantly related to the common goldfish, with which it is capable of interbreeding. It gives its name to the carp family Cyprinidae. Originating in Asia, the fish has been introduced into environments worldwide. It can grow to a maximum length of 5 feet (1.5 meters), a maximum weight of over 80lb (37.3 kg), and an oldest recorded age of at least 65 years. The wild, non-domesticated, forms tend to be much less stocky at around 20% - 33% the maximum size. Koi (錦鯉 (nishikigoi) in Japanese, 鯉魚 (pinyin: l?? y??) in Chinese) is a domesticated ornamental variety that originated in China but became known to the Western world through Japan.

Although they are very tolerant of most conditions, the common carp prefer large bodies of slow or standing water and soft, vegetative sediments. A schooling fish, they prefer to be in groups of 5 or more. They natively live in a temperate climate in fresh or brackish water with a 7.0 - 7.5 pH, a water hardness of 10.0 - 15.0 dGH, and an ideal temperature range of 37.4 - 75.2 °F (3 - 24 °C).

Diet
The common carp, as well as its variants, mirror carp, with large mirror like scales (linear mirror - scaleless except for a row of large scales that run along the lateral line; originating in Germany), leather carp (virtually unscaled except near dorsal fin) and fully scaled carp, is omnivorous and will eat almost anything that it comes across. The common carp is happy to eat a vegetarian diet of water plants, but also insects, crustaceans (including zooplankton), or even dead fish if the opportunity arises.

Carp as pests
Carp have been introduced, often illegally, into many countries. In some countries, due to their habit of grubbing through bottom sediments for food and alteration of their environment, they destroy, uproot and disturb submerged vegetation causing serious damage to native duck and fish populations. In Australia there is enormous anecdotal and mounting scientific evidence that introduced carp are the cause of permanent turbidity and loss of submergent vegetation in the Murray-Darling river system, with severe consequences for river ecosystems, water quality and native fish species.

Efforts to eradicate a small colony from a Tasmania's Lake Crescent without chemicals have been successful, however the long-term, expensive and intensive undertaking is an example of the both the possibility and difficulty of safely removing the species once it is established.

Carp have attributes that allow them to be an invasive species - a species that invades and dominates new ecosystems with serious negative effects to the ecosystem and native fauna. The movement and introduction of carp for frivolous reasons such as sport fishing should not be tolerated.

Eating carp
Carp are popular with anglers in many parts of Europe. Carp is also eaten in many parts of the world both when caught in the wild and raised in fisheries. It is eaten both fresh or frozen.

In the Czech Republic, Slovakia, Croatia and Poland, a carp is a traditional part of a Christmas Eve dinner.

Reproduction
An egg-layer, a typical adult fish can lay 300,000 eggs in a single spawning. Research shows that carp can spawn multiple times in a season in some areas. The young are preyed upon by other predatorial fish such as the northern pike and largemouth bass.

http://en.wikipedia.org/wiki/Common_carp
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