| While you may purchase young, small koi, like | | | | color in cooler weather, so keep your tank |
| other species of creatures, they will adapt their | | | | temperature in a moderate zone. If you'd like to |
| growth and size somewhat, to the restrictions of | | | | have males and females, ask for help from the |
| space. Food and overall conditions in the aquarium | | | | breeder or store in sexing your purchases. Very |
| will also affect their growth rate, with premium | | | | young koi are difficult to tell apart, although young |
| food being important, and overfeeding to be | | | | adult females tend to have a fuller, cigar type |
| avoided both for the health of the fish, and the | | | | shape.Some of the more attractive varieties of |
| health of the tank environment.Clean water is a | | | | koi include:Kohaku- White body and red pattern |
| must, as is good aeration. Large fish eat a lot of | | | | down the back. One of the most popular varieties |
| food and produce a lot of waste. If you have a | | | | for koi hobbyists.Tashio Sanke- White body and |
| 50-gallon tank, and several fish, you may need a | | | | red patterned back, with black accentsShowa |
| filtration system whose capacity is actually over | | | | Sanke- A three colored variety, having a black |
| 50 gallons, in order to keep the water as clean as | | | | body, with white and red accents, although some |
| possible.You might like to choose from several of | | | | strains have more whiteBekko, Utsuri- Body color |
| the varieties of koi, for a more interesting mix of | | | | is non-metallic black on white, yellow or red.Love |
| colors, but remember that koi in their natural | | | | Tropical Fish? |
| outdoor environment, tend to have more intense | | | | |