Can janitor fish live with koi?

So can janitor catfish live with koi? Yes if they are the same size as the koi and each fish at full size has 50-100 gallons of space. No if the catfish or koi are much bigger than the other when you introduce them together.

What fish can live with koi?

8 Fish That Can Live With Koi In A Tank – Koi Tank Mates

  • Barbel (Barbus barbus)
  • Barbs (Barbus tetrazona)
  • Catfish (Siluriformes)
  • Goldfish (Carassius auratus)
  • Golden Orfe (ILeuciscus idus)
  • Tench (Tinca tinca)
  • Pleco (Hypostomus plecostomus)
  • Sturgeon (Acipenseridae)


Can algae eaters live with koi?

The Chinese algae eater does well in a community of fish, both in ponds and aquariums. They are herbivores by nature and live along with both koi and goldfish in ponds. The Chinese algae eater is not a territorial fish. They only care to munch on some of the tasty algae you have in your pond.

Can Koi breed with other fish?

Yes, Goldfish and Koi Can Reproduce Together!

Yet they DO have the ability to spawn with one another. If you keep them in a pond outside, you may find a bunch of these little hybrids in the fall once the fry have had time to hatch and grow. Now: … Goldfish can also hybridize with other carp species (source).

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Can koi fish and catfish live together?

So, can channel catfish live with koi? Yes if they are similar in size or the koi are larger. Full size channel catfish that are several feet in length should not be introduced into a koi pond. Instead, it’s best to get similar sized fish and let them grow up together.

Can I mix koi and goldfish?

Absolutely! Both koi and goldfish are very docile creatures and will not harm each other in a pond or aquarium.

Do Koi eat smaller fish?

Although koi are gentle fish, they’re still opportunistic feeders, and won’t hesitate to swallow much smaller fish. … However, they are opportunistic omnivores, and are known to eat smaller fish species as well as fry if they have the opportunity. In fact, they’ll even eat their own fry!

What eats a koi fish?

Raccoons, egrets, herons, cats, snakes, dogs, and even hawks or owls, have been known to catch koi and eat them.

Do koi fish keep ponds clean?

Koi Fish & Goldfish

Many pond owners won’t associate their koi fish and goldfish when cleaning their pond, but they do as they eat algae. … These species are among the few who can stay in your pond during winter.

Will koi fish clean a pond?

Being two of the most commonly kept pond species, you’ll be happy to hear that both koi and goldfish are omnivores and will indeed feed on algae to some extent. … In warmer months, both fish species will prefer to eat their regular feed and various pond insects that happen to end up in your water garden.

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Do koi fish eat their babies?

Koi fish are not aggressive fish, but they can eat their babies.

How long do koi fish stay pregnant?

Koi do not get pregnant and are not live-bearers. Koi fish typically mate in warmer water in the spring or summer seasons. The mating period lasts about two to three days in which the female lays the eggs upon various surfaces while the male shortly after fertilizes them.

Why are my koi fish chasing each other?

During the spring season you might witness your koi chasing each other around the pond; usually first thing in the morning. … While you might assume this is too traumatic for the female koi, this flurry of activity has to happen because she has no ability to push her eggs out with her abdominal muscles.

Will Big Koi eat little koi?

Will big Koi eat smaller Koi? … Koi are omnivorous and they may eat Koi fry or eggs, but they will leave smaller fish alone.

What fish will clean my pond?

Fish that clean ponds by eating algae and other debris include the common pleco, the mosquitofish, the Siamese algae eater and the grass carp. Be careful with carp, koi and other bottom feeders. While they eat algae, they can also make your pond look dirty.

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