Koi fish can mate with goldfish because they are closely related. However, they produce sterile offspring.
Koi fish usually lives between 25 and 30 years. When it is kept under good conditions, koi fish can survive for more than 100 years.
Koi fish is a large fish. It can reach up to 3 feet in length. Size of the fish depends on the living conditions. Adequate amount of food and oxygen and appropriate temperature are essential for the growth of fish.
Color of the koi fish depends on the variety. They can be white, black, blue, red, cream and yellow in color. Koi fish are covered with different spots.
People in Japan believe that koi fish symbolizes wealth, prosperity, love, successful career and good fortune. Each variety is associated with one of those values.
In the mating process, koi fish eat their young, recently-hatched offspring called koi fry. Koi fish need to be removed from the fry during the mating session to preserve the fry.
If a breeder raises a highly sought after koi, it can sell for thousands of dollars. $250,000 is not unheard of for a prized koi fish.
Koi fish were originally brought to Japan as a food source
Koi fish are decedent's of the hardy Carp which is so adaptable it can be found all around the world.
Koi fish are omnivores who will eat just about anything you give them including lettuce and watermelon
Koi fish can actually get sun burns so make sure they have some shade on sunny days!
Koi fish are surprisingly intelligent. This allows koi parents to train their koi fish to eat from their hand and even ring a bell for a treat
Koi fish symbolize persistence, determination, wealth, success, and good fortune
Koi fish is an omnivore (consumes both plants and animals). It eats different kind of fish and their eggs, lettuce, watermelon and peas.
Koi fish can recognize the person which feeds them and they can be trained to eat from his/her hand.
Although life in community can be dangerous, koi fish enjoy company of other koi fish.
During the mating season, female produces thousands of eggs that will be fertilized by male's sperm in the water. Only 50% of fertilized eggs will survive.
Koi fish have several predators, such as raccoons, otters, badgers, birds of prey, snakes, cats and dogs.
Koi fish prefers water temperature that ranges from 15 to 25 degrees of Celsius. It doesn't tolerate drastic or rapid changes in temperature.
Koi fish that live in temperate geographic areas hibernate during the winter. It swims to the bottom of the pond (with higher temperature of water) and remains dormant until the weather conditions improve.
Koi fish symbolize many virtues in Asian cultures. They are recognized as symbols of perseverance and endurance, as well as strength and individualism.
Koi fish were developed by farmers who noticed the bright color patches on carp and breed them to get the beautiful fish we have today
Koi fish were brought to the worlds attention after one was given to the Japanese emperor as a gift in 1914 to grace the imperial palaces mote.
Koi fish and Goldfish are distant cousins as they both decent from Carp, but goldfish came about long before koi fish did.
Koi fish can grow up to three feet long if raised in the ideal conditions. They can become sunburned if a pond is too shallow and has little shade. Koi fish don’t have teeth. Females are larger than males.
Because koi fish can develop such an array of colors, it comes as no surprise that each hue has developed a connotation. Gold koi fish represent wealth and prosperity. Metallic koi symbolize success in business. A blue koi is thought to bring serenity. Asagi koi of blue, red, and grey colorings symbolize positivity. Black koi are thought to hold a patriarchal symbolism, with red belonging to the mother, blue to the son, and pink to the daughter.
Koi fish not only look the best in a group they also enjoy having other koi fish around. Make sure to keep an eye out if you put any other types of fish in your pond though because koi have been known to bully non-koi pond mates.
Koi fish are sensitive to the sun. They may get sunburns if they live in the ponds that do not provide enough shadow.
There are 24 koi fish varieties and counting. A new koi fish variety could be presented at any time but for now there are the Kohaku, Taisho Sanke, Showa Sanshoku, Tancho, Shiro Utsuri, Hi Utsuri, Ki Utsuri, Asagi, Shusui, Matsuba, Platinum Ogon, Yamabuki Ogon, Kujaku, Hariwake, Kikusui, Kumonryu, Beni Kumonryu, Chagoi, Soragoi, Ochiba Shigure,Goromo, Goshiki, Kikokuryu, and the Kin Kikokuryu.
Koi fish's brilliant colors make it harder for them to survive because it attracts predators such as cats, birds of prey, and raccoons.
Female koi fish can lay as many as 50,000 eggs during one breeding season of which half will hatch if not tended to. That is a lot of baby fish!
Koi fish and goldfish have the same ancestor. Although they share similarities in appearance, koi fish can be recognized by barbels on the upper lip.
Koi fish release ammonia in the water. When large number of koi fish inhabit same pond, level of ammonia can increase rapidly and induce poisoning of fish.
The largest koi fish ver recorded was a whooping four feet long and 91 pounds! The monster sized fish was later sold to the koi enthusiast Geoff Lawton where she received the name Big Girl.
The oldest koi fish ever was a koi named Hanako was born in 1791 and didn't die until 1977 that means she lived to be 226!
Do you have any fun koi fish facts to share with fellow koi connoisseurs? Post a comment or share them via the contact form!
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