KOI CARP (FANCY CARP)

Phylum – Chordata

Class – Actinopterygii

Order – Cypriniformes

Family – Cyprinidae

Genus – Cyprinus

Species – Cyprinus carpio

The common carp originates from the river systems of Eurasia, including the Danube, Volga, and Amur rivers. It is widespread in freshwater bodies across Europe and Asia. The ornamental form — Koi Carp is bred primarily in artificial ponds and water gardens worldwide.

Life expectancy in the wild is about 20-30 years, in captivity (ponds, aquariums), up to 40-60 years with proper care. Males weigh on average 5 to 10 kg, females 8-15 kg, sometimes up to 20 kg. Koi carps can reach a length of 60-90 cm, sometimes up to 120 cm, depending on the living conditions and care.

Carp reproduce in the spring when the water temperature rises to 17-20°C. Females lay up to 300,000 eggs, which attach to aquatic plants. Koi Carp are social fish that live in groups. They primarily lead a benthic (bottom-dwelling) lifestyle, often feeding in muddy areas of water bodies. Omnivorous, their diet includes aquatic plants, small invertebrates, insects, larvae, and organic detritus. In captivity, they are fed by special fish food.

The common carp has a long evolutionary history. Paleontological data suggest that the ancestors of modern carp appeared around 20-25 million years ago. The ornamental forms of carp were first bred in Japan approximately 2,000 years ago. Koi Carp holds significant importance in Japanese culture, where its breeding has become an art form. In Japan, it symbolizes strength, endurance, and good fortune. The carp has been associated with the “Koi no Bori” festival, also known as Children’s Day in Japan.

Wild carp species are under threat, due to habitat destruction and water pollution. However, ornamental forms (Koi Carp) are specifically bred, and their status is not considered threatened.

Interesting facts about Koi Carp:

1. Variety of Colors: There are over 100 varieties of Koi Carp, and they can be found in a wide range of colors, including red, white, yellow, blue, black, and gold. The most popular varieties feature combinations of red and white.
2. Longevity: Koi Carp are among the longest-living fish. Some individuals, such as the famous koi named Hanako, lived over 200 years! Hanako passed away at the age of 226 in 1977.
3. Symbol of Luck and Prosperity: In Japanese culture, Koi Carp symbolizes good luck, strength, and perseverance. They are also considered symbols of success and wealth, that is why they are often kept in ornamental ponds near homes and businesses.
4. Adaptability: Koi Carp can survive in a wide range of temperatures, from 2°C to 30°C, making them extremely resilient to environmental changes.
5. Unique Feeding Behaviour: Koi Carp often rise to the surface during feeding and some can even eat from people’s hands. This habit makes them especially beloved among pond owners.
6. Intelligence and Memory: Koi Carp are known for their ability to recognize people who feed them regularly and remember the feeding times. They can distinguish between different shapes and colors, showcasing their advanced intelligence.