Koi (鯉, Japanese: [koꜜi], literally "carp"), or more specifically nishikigoi (錦鯉, Japanese: [ɲiɕi̥kiꜜɡoi], literally " brocaded carp"), are colored varieties of carp (Cyprinus sp.) that are kept for decorative purposes in outdoor koi ponds or water gardens. Koi is an informal name for the colored variants of carp kept for ornamental purposes.

2025年3月22日 · koi, (Cyprinus carpio), any of more than 100 ornamental varieties of carp that are best known for their colourful body patterning and are kept as pets in indoor and outdoor freshwater ponds throughout the world. Koi were raised initially as food fishes in China and Japan.

2024年5月27日 · Koi fish are special because of their beauty, which is made by a plump but torpedo-shaped body and rich colors. They are also very long-lived and intelligent. They can recognize the people who feed them and can be trained to eat out of hand.

The Koi, or Japanese Koi, is a domestic variant of the Amur carp. Generally, these fish have brightly-colored scales with various patterns. Many variants and color morphs exist across the globe. Though related, these fish differ from goldfish, as they originate from a different species of carp. Read on to learn about the Koi.

Wild koi are native to fresh bodies of water around the Black, Caspian, and Aral Seas. They eat mainly invertebrate animals, but also eat fish eggs and decomposing animals and plants. They eat food found at all depths of water. Koi will migrate long distances to reach their preferred spawning grounds – flooded meadows or marshy areas.

2023年11月22日 · Here's all you need to know about caring for your koi fish. Common Names: Japanese koi, Koi, koi carp, Nishikigoi ("brocaded carp" in Japanese) Scientific Name: Cyprinus rubrofuscus. Adult Size: 2 to 3 feet. Life Expectancy: 30 to 60 years. Koi have a long and distinctive history as pet fish.

Koi fish are one of the most popular and colorful forms of the Amur carp species. They are often referred to by their Japanese name, Nishikigoi. Nishikigoi means “swimming jewel.” The Koi fish originates from the early 19th century. During that time in Niigata, Japan, they began breeding the Koi fish from the Amur carp species.

2025年3月13日 · Koi fish are unique and beautiful animals that are popular all over the world. Some people think that koi are just giant goldfish, but that couldn’t be farther from the truth. For starters, these fish can live for decades, they represent good things for people all over the world, and they can be traded and sold for thousands of dollars.

Koi are an omnivorous fish. They eat a wide variety of foods, including peas, lettuce, and watermelon. Koi food is designed not only to be nutritionally balanced, but also to float so as to encourage them to come to the surface. When they are …

Koi fish are colorful; decorative fish deliberately developed from common carp in eastern Asia. They are available in several hues, including orange, red, yellow, black, white, and blue. Koi are huge, long-lived, social fish that are highly valued by people all around the world.