Koi Carp Fish Facts | Food | Breeding

Koi Fish

How to take care of Koi fish

Koi Fish are mainly known for its varied colors and are kept for decorative purpose in aquariums, water gardens and outdoor ponds. The binomial name of Koi fish is "Cyprinus Rubrofuscus". The meaning of the word koi is Carp, which comes from the Japanese pronunciation of the common character between Japan and China. They are also called "Nishikigoi".

Koi are an omnivorous fish. They eat wide varieties of foods like peas, lettuce and watermelon. Koi fish usually recognizes the person feeding them and gather around them at feeding times. Koi fishes have wide varieties distinguished by coloration, patterning and scalation. Major colors are white, red, black, orange, black, blue, and cream.

Koi fishes

Origin of Koi fish

Koi fish are a colorful, ornamental versions of common Carp. Although as it is associated with Japan, koi fishes is actually originated from Central Asia in China. They were introduced to Japan by Chinese invaders.

Scientific Classification

Kingdom Animalia
Phylum Chordata
Class Actinopterygii
Order Cypriniformes
Family Cyprinidae
Genus Cyprinus
Species Cyprinus rubrosfuscus
Variety Cyprinus rubrosfuscus "koi"

Koi Fish Breeding Process

Breeding of Koi Fish

Koi carp naturally breed on their own, and they tend to spawn in the summer, and spring seasons. The Male fish will start following the female fish, by swimming right behind her and nudging her. After that, female koi releases her eggs, and they sink to the bottom of the pond and stay there. There is a sticky outer shell around the egg helps to keep it in place so it does not float around. Although the female fish can produce many spawns, most of the fries do not survive due to being eaten by others.

Just like other fishes, koi does reproduction through spawning in which a female fish lays a large number of eggs and one or more males fertilize them. A koi breeder may carefully select the parent koi fish they wish to breed based on their desired characteristics.

For breeding koi in the fish tank, first place the female koi. Give her some time to get comfortable with the environment. Then place a net over the breeding tank because once koi begins to breed, the process will become violent and aggressive. Otherwise, the koi fish will end up in the floor. Just like human beings they also need space and privacy when it comes to breeding.

Food for Koi Fishes

Food habits of Koi Carp Fish

Koi food is produced not only to be nutritionally balanced, but also to float so as to encourage them to come to the surface. They are omnivorous, so they eat a wide variety of foods including lettuce, watermelon and peas. Koi fish are naturally bottom feeders with a mouth configuration adapted for that. While they are eating koi can be checked for ulcers and parasites. 

Koi fish  need to be fed a high-protein food that is formulated specifically for koi, and they should be fed not more than 3 times a day.


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