Carp

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Unsere Süßwasserfische (Tafel 33) (6102602781)
Common carp Minnesota
Hal - Cyprinus carpio and Amia calva skeletons detail
2006-11-24 Koi
NT IUCN 3 1

Carp are a group of fish that belong to the family Cyprinidae, a very large group of fish native to Europe and Asia. The term "carp" encompasses several species of fish, including the common carp (Cyprinus carpio), mirror carp (a variation of Cyprinus carpio with fewer scales), grass carp (Ctenopharyngodon idella), bighead carp (Hypophthalmichthys nobilis), and silver carp (Hypophthalmichthys molitrix). Carp are known for their adaptability to a wide range of environments, which has allowed them to be introduced and thrive in ecosystems around the world. However, in some areas, they are considered invasive species and pose a threat to native fish populations and aquatic ecosystems.

Description[edit | edit source]

Carp vary in size, color, and scale pattern, depending on the species. The common carp, for example, can grow to a significant size, often exceeding 20 kg (44 lb) in weight and measuring over 120 cm (47 in) in length. Carp species generally have a robust body, barbels on either side of the mouth, and a large dorsal fin. Their coloration can range from silvery to golden to dark brown, depending on the species and the environment.

Habitat[edit | edit source]

Carp are freshwater fish that can be found in a variety of water bodies, including rivers, lakes, ponds, and streams. They prefer slow-moving or stagnant water with abundant vegetation. Carp are highly adaptable and can survive in a range of environmental conditions, including low oxygen levels and polluted waters, which partly explains their success as an invasive species in some regions.

Diet[edit | edit source]

Carp are omnivorous and have a diverse diet that includes plants, insects, small fish, and detritus. Their feeding habits can disrupt native vegetation and muddy waters, impacting the clarity and quality of the water body and affecting other aquatic species.

Reproduction[edit | edit source]

Carp are prolific breeders. Females can lay thousands of eggs at a time, which are fertilized externally by males. The eggs hatch in a few days, depending on the water temperature. Carp reach sexual maturity in a few years, and their high reproductive rate can lead to rapid population growth in favorable conditions.

Economic Importance[edit | edit source]

Carp have been farmed for food in some parts of the world for thousands of years, particularly in Asia and Europe. They are valued for their taste and nutritional content. In addition to aquaculture, carp fishing is a popular recreational activity in many countries, contributing to local economies.

Environmental Impact[edit | edit source]

While carp are beneficial in some contexts, their introduction into non-native environments has often had negative consequences. They can outcompete native fish species for food and habitat, reduce water quality, and contribute to the erosion of riverbanks and lakeshores. Efforts to control carp populations include physical removal, habitat modification, and the introduction of natural predators.

Conservation[edit | edit source]

In their native habitats, some carp species are considered vulnerable due to habitat loss, pollution, and overfishing. Conservation efforts focus on habitat restoration, sustainable fishing practices, and the regulation of carp farming and release into the wild.


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