What fish can I keep with koi in a tank?

Common goldfish are an excellent tank mate for koi. These fish grow large and have sleek bodies which makes them good swimmers. They are related to koi and are often referred to as the koi fish’s cousin’. Common goldfish are cold-water fish that can safely handle the same water conditions as koi.

What fish Cannot live with koi?

Do Koi Eat Other Pond Fish? What Fish NOT to Stock with Koi (Updated)
  • 1.1.1 1) Guppies (Poecilia reticulata)
  • 1.1.2 2) Minnows (Phoxinus phoxinus)
  • 1.1.3 3) Danios (Cyprinidae)
  • 1.1.4 4) Fancy Goldfish (Cyprinidae)
  • 1.1.5 5) Mollies (Poecilia sphenops)
  • 1.1.6 6) Barbs (Cyprinidae)
  • 1.1.7 7) Small Catfish (Siluriformes)

What fish can I keep with koi in a tank? – Related Questions

Can koi be with angelfish?

Will koi bully goldfish?

Studies have shown koi to be aggressive to certain other fish, in particular, fancy goldfish. Public domain. While koi typically get along well with each other, they may not also be suited for living with some other pond fish species.

Can you mix koi and bass?

It’s certainly possible for koi and bass to live together in one well-maintained system. These species are not necessarily the most compatible, however, so it may be best to leave this possibility to those with at least a few years of experience raising pond fish.

Do koi get lonely?

Will I have enough room for Koi? Koi fish are schooling fish and as such, you will want to have a few of them so they don’t get lonely. They can grow up to three feet in length. This is an important fact when calculating how big to make your garden pond if you eventually want to have Koi in your pond.

Do koi eat baby fish?

The simple answer to the question of whether or not koi eat their young is yes, they are known to eat their babies. However, they don’t necessarily do it on purpose. As omnivores, koi eat both plant and animal matter, such as algae, bugs, and flies.

Do koi hurt goldfish?

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

What fish can live with koi and goldfish in a pond?

List of the Best Koi Pond Mates
  • 1) Goldfish (Carassius auratus)
  • 2) Grass carp (Ctenopharyngodon idella)
  • 3) Suckermouth catfish (Hypostomus plecostomus)
  • 4) Redear sunfish (Lepomis microlophus)
  • 5) Largemouth bass (Micropterus salmoides)
  • 6) Chinese high-fin banded shark (Myxocyprinus asiaticus)
  • 7) Orfe (Leuciscus idus)

Do koi eat goldfish eyes?

Real reason behind is koi are very aggressive, it will eat goldfish eyes. You can’t keep goldfish and koi together otherwise you end up like above picture.

What fish eat koi poop?

There is no fish that will eat poop in an aquarium. Occasionally fish are seen chewing on fish poop, but that is because they mistake it for food. Even catfish, plecos, or shrimp do not eat fish poop. The only way to remove fish poop is to use a gravel vacuum and remove it manually.

Do koi like tap water?

Chloramine and chlorine are toxic to aquatic life. Even a trace amount of these chemicals can cause stress and damage to your fish. Upon contact, the chlorine will burn and damage the scales, gills, and breathing tissues of koi and goldfish.

What kills koi fish?

Most of the time, death in koi carp is caused by poor water quality. Making sure you have proper filtration, regular testing and maintenance will all contribute to the quality of your pond water, and therefore the health of your fish.

How often should koi fish be fed?

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.

Why do koi jump out of water?

They’re exploring

This jumping behavior is most often seen by koi that are new to their environment. Koi are fairly smart fish, and as such they like to know their surroundings. Part of this involves exploring the outer limits of their pond. You’ll most often see new koi jumping at the waterfall or skimmer areas.

What vegetables can koi eat?

Unlike most pets koi fish love to eat their greens. A few of their favorites are garlic, broccoli, and lettuce.