Thankfully, koi and pleco typically get along fine. Both plecos and koi are quite hardy, and both have unique color schemes. What is this? What’s more, pleco are suckerfish, so they can suck up a lot of the algae and waste that koi can make, giving them a nice symbiotic relationship.

Will a plecostomus survive in a pond?

For the larger plecos, you’ll need to make sure that your pond is large enough to accommodate them; for smaller plecos, you’ll need to be sure to place them with other fish that won’t eat them.

Do koi eat plecos?

Small catfish species that can be kept in ponds and aquariums include the cory catfish, glass catfish, bumblebee catfish, bristlenose plecos, and many others. Due to their small size (typically less than 4 inches), they should not be kept with koi if you want to be 100% sure they won’t be eaten or damaged.

Can you put algae eaters in a koi pond?

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 you put sucker fish with koi?

Most sucker fish, or algae eaters, are tropical or semitropical fish from South America. They are not well-adapted to extremely cold water, which is the perfect environment for koi. A few varieties of sucker fish can survive mild winter weather changes, but none will withstand below-freezing temperatures.

What fish eat algae in koi 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.

What fish can be kept with koi?

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)


What fish will keep my pond clean?

The Siamese Algae Eater is one of the best fish for helping to control algae in freshwater ponds. These freshwater fish are not picky about the type of algae that they eat. They’ll happily feast on red algae, string algae, and even large clumps of algae that most other fish won’t touch.

What is the best algae eater for a pond?

10 Best Pond Algae Eaters for a Clean & Clear Pond

  • Siamese Algae Eater.
  • Common Pleco.
  • Pond Loach.
  • Koi Fish & Goldfish.
  • Grass Carp.
  • Mollies & Guppies.
  • Otocinclus Catfish.
  • Chinese High-Fin Banded Shark.

Can a plecostomus live in cold water?

No, bristlenose plecos cannot live in cold water. As tropical fish, they require a warm temperature between 74°F and 80°F (23°C and 26.5°C) to thrive.

Do koi need to be fed everyday?

How Often to Feed your Koi Fish. We recommend that you feed your fish once a day. This will provide enough nutrients for healthy fish and a healthy pond. Feeding them too often can put an excess amount of nutrients into your pond which can cause algae issues.

Does Pleco eat algae?

Plecos. Various South American suckermouth catfish are effective algae-eaters. The most popular are the various species sold as “plecos.” The namesake for the group, the common pleco (Hypostomus plecostomus), is an excellent algae-eater but is not the best choice for most hobbyists.

Do koi jump for fun?

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 is the best fish to stock a pond with?

What Fish Should You Stock In Your Farm Pond?

  • Green sunfish.
  • Trout.
  • Carp (common and grass)
  • Goldfish.
  • Yellow perch.
  • Buffalofish.
  • Tilapia.
  • Crappies (black and white)

What is the best algae eater for a pond?

Best 16 Fish That Eat Algae In Ponds

  • Common Pleco. The common pleco is one of the most common algae eaters for ponds. …
  • Pond Loach. The Pond Loach, which is also referred to as a Dojo Loach, is a mildly effective algae eater. …
  • Weather Loach. …
  • Siamese Algae Eater. …
  • Koi Fish. …
  • Chinese High-Fin Banded Shark. …
  • Goldfish. …
  • Mollies.

Can a pleco survive in a river?

Plecos are adaptable fish that can live in fresh or brackish water. In the wild they live in rivers in Costa Rica, Panama and South America. The water level in the rivers where plecos live varies with the amount of rainfall the region receives.

Can plecos live in rivers?

The plecostomus, or suckermouth catfish, is found in fresh and brackish waters and prefers fast-flowing streams and rivers with pebbly substrate.

What water temperature do plecos need?

between 74° and 80° F

Plecostomus Water Requirements



A pH between 7.0 and 8.0, alkalinity between 3° and 10° dKH (54 ppm to 180 ppm) and temperature between 74° and 80° F will suffice for most captive bred species. If the aquarium is kept in a room below 74°, use an Aqueon Aquarium Heater to maintain the proper temperature.

Do koi fish keep ponds clean?

If you have a smaller pond or don’t have a substantial amount of algae, more general species like koi, goldfish, mollies, and guppies will likely work just fine for keeping your pond ecosystem well-balanced.

Why do my plecos keep dying?

Well, the thing is, Plecos die for a variety of reasons. Most deaths are due to inadequate water conditions that might lead to disease and depression, and eventually death. However, Plecos also die due to some other reasons like starvation, bullying, and overcrowding.