Quick Faqs Archive

How densely can I stock my tank or pond and still keep my fish healthy?

This is a difficult question to answer, and there is no single correct answer. It all depends on multiple factors, including:
How strong is your filter system? How often do you do water changes? Are your filters fully cycled?

Koi and Goldfish don’t mind being crowded, IF the water parameters are at the correct levels. We generally recommend two hundred gallons of holding space for one box of fish. However, they can be stocked at a higher density if the ammonia and pH levels remain consistent and healthy.

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Are butterfly koi a cross between regular koi and long-finned goldfish?

Absolutely not. Being closely related, koi and goldfish can actively cross breed. However, the resulting progeny are usually unsightly and sterile. Butterfly koi are the result of a cross between standard fin koi and a type of long-finned Indonesian carp. Many strains of butterfly koi in the industry today were started and developed right here at Blue Ridge. You can read more about our development of butterfly koi at The Butterfly Koi Story.

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How often should I feed my koi and goldfish?

As a general rule of thumb, you should feed your koi and goldfish once per day, no more than they can eat in 5 minutes. If there is still uneaten food left after 5 minutes, try feeding less next time.

The amount of food required by koi and goldfish will vary widely depending on the season and temperature of the water. During the spring and summer, when the water is warm and the fish are very active, they will need more food. In the cold winter water, koi can go weeks without eating.

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How large can koi grow?

The largest koi in the world top out at around 36 inches in length. However, many factors, including pond size and stocking density, will determine how large a koi can grow. Most koi will stop growing well short of 36 inches.

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