Koi are cold water pond fish, descended from carp. Koi owners may need to bring their prized koi indoors during the winter to prevent death in frozen pond water. Keep koi in large aquariums for a few months at a time. If you live in an apartments, you may have to keep koi in aquariums for their ...
You’ll want to buy the biggest tank you can afford that will fit in your home so your koi have plenty of room. Keep in mind that large tanks are very heavy, especially when filled with water. Make sure your flooring is strong; placing a tank over support beams is recommended. Your koi fish aquarium will also need a cover.
Can You Keep Koi in a Fish Tank? Koi can live in aquariums until they are six inches in length, or about two years old. The most important considerations in tanking koi are the number of fish in the space and water quality conditions.
The fish tank is a good choice for baby koi. However, it needs to be large (up to 200 gallons). You can keep a couple of fish together, but don't consider this option if you aren't willing to give away your pets after about a year when they outgrow their aquarium.
Koi can grow up to 3 feet in length and can live for more than three decades -- and they prefer to live with other koi. But unless you have an aquarium so large that it can hold the gallon equivalent of a small pond, a tank isn't a long-term housing solution for koi.
If you are going to keep Koi in an aquarium, you want to make sure that you have very, very good filtration; strong, fast-moving water, highly-oxygenized. You want to keep the pH between 7.2 and 7.6. They like slightly basic pH. You want to feed them very good foods, vegetable-based foods.
Yes, you can keep koi in a tank, but you must provide the proper environment for them. If you only intend on keeping the koi in a tank temporarily, such as, through one winter (which, by the way, you don't need to do as koi can survive just fine outdoors through winters), then having a smaller tank is acceptable.
Koi can be kept in aquariums, but this isn't healthy for the fish if the aquarium isn't proportionate to their body size. Most adult koi live in outdoor ponds to accommodate their large size. Koi commonly reach lengths of 2 feet or more, so most indoor aquariums simply do not have enough water volume to allow the fish room to move or breathe.
Koi are a particularly hardy fish and can adapt to living in many environments including tanks, aquariums and indoor ponds. Much like outdoor koi ponds, indoor koi tanks have some special considerations to take into account. Optimal Number of Koi. A major consideration is the number of fish you should keep inside.