Koi care collection

Koi Fish Diseases

A growing library of clear, useful guides about koi fish diseases.

Can A Fish Recover From Fin Rot?
Koi FishJun 26, 2022

Can A Fish Recover From Fin Rot?

Fin rot is a common ailment among fish, caused by a bacterial infection. The infection can cause the fins to become discolored and eventually fall off. For more pond-care guidance, read How Much Are My Koi Carp Worth? and review MSD Veterinary Manual: Fish diseases.

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Does Tractor Supply Sell Fish Amoxicillin?
Koi FishJun 26, 2022

Does Tractor Supply Sell Fish Amoxicillin?

Tractor Supply is a retailer that specializes in selling agricultural and livestock supplies. They carry a wide variety of products, including feed, fencing, and farm equipment. For more pond-care guidance, read Do Koi Stop Eating When Full? and review MSD Veterinary Manual:…

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Can You Put Too Much Bacteria In Fish Tank?
Koi FishJun 26, 2022

Can You Put Too Much Bacteria In Fish Tank?

Bacteria are essential for the health of fish in aquariums and ponds. However, too much bacteria can cause problems for fish. For more pond-care guidance, read Is Purified Water Good For Koi Fish? and review MSD Veterinary Manual: Fish diseases.

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Why Are My Fish Gulping At The Surface?
Koi FishJun 26, 2022

Why Are My Fish Gulping At The Surface?

Gulping at the surface is a common behavior among fish, and there are a few reasons why they might do it. One possibility is that the fish is trying to get more oxygen from the water. For more pond-care guidance, read Do Koi Like Current? and review MSD Veterinary Manual: Fish…

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Why Are My Fish Swimming Upside Down After Water Change?
Koi FishJun 26, 2022

Why Are My Fish Swimming Upside Down After Water Change?

Aquarium fish may swim upside down after a water change for a variety of reasons. The most common reason is that the fish are experiencing stress from the change in water conditions. For more pond-care guidance, read Are Epsom Salts And Bicarbonate Of Soda The Same Thing? and…

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Why Is My Fish Breathing Fast After Water Change?
Koi FishJun 26, 2022

Why Is My Fish Breathing Fast After Water Change?

A fish's respiration rate is determined by the amount of oxygen in the water. When a water change is made, the oxygen levels in the water can change, which can cause the fish to breathe faster. For more pond-care guidance, read Can You Put Too Much Bacteria In Fish Tank? and…

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Can I Use Baking Soda Instead Of Epsom Salt?
Koi FishJun 26, 2022

Can I Use Baking Soda Instead Of Epsom Salt?

Epsom salt is a type of salt that has many uses, including in baking. It is also known as magnesium sulfate. For more pond-care guidance, read Should I Put Sand In My Fish Tank? and review MSD Veterinary Manual: Fish diseases.

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How Do You Treat Swim Bladder Disease In Koi?
Koi FishJun 26, 2022

How Do You Treat Swim Bladder Disease In Koi?

Swim bladder disease is a condition that can affect koi fish. The swim bladder is a sac that helps the fish to maintain buoyancy. For more pond-care guidance, read Do Fishes Need Air? and review MSD Veterinary Manual: Fish diseases.

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How Much Salt Do You Put In A Koi Bath?
Koi FishJun 26, 2022

How Much Salt Do You Put In A Koi Bath?

A koi bath is a type of saltwater bath used to clean and disinfect koi fish. The amount of salt used in a koi bath varies depending on the size of the koi and the size of the bath, but is typically around 1 cup of salt per gallon of water. For more pond-care guidance, read Does…

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How Do You Revive A Dying Koi Fish?
Koi FishJun 26, 2022

How Do You Revive A Dying Koi Fish?

Koi fish are a species of carp and are popular in both indoor and outdoor ponds. They are known for their long lifespans, with some koi living for over 200 years. For more pond-care guidance, read Can Bass And Koi Live Together? and review MSD Veterinary Manual: Fish diseases.

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Can I Use Melafix When Adding New Fish?
Koi FishJun 26, 2022

Can I Use Melafix When Adding New Fish?

Adding new fish to an established aquarium can be a delicate process, and many aquarium owners turn to Melafix to help ease the transition. But can Melafix really be used in this way? Let's take a closer look. For more pond-care guidance, read Are Black Koi Fish Good Luck? and…

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How Do You Know When A Koi Is Dying?
Koi FishJun 26, 2022

How Do You Know When A Koi Is Dying?

Koi are a popular type of ornamental fish that are often kept in outdoor ponds. They are a member of the carp family and are native to East Asia. For more pond-care guidance, read What Does A Dragon Koi Fish Look Like? and review MSD Veterinary Manual: Fish diseases.

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