Why is my koi swimming vertically?

If the sideways swimming behaviour is accompanied by buoyancy issues, it could indicate an infection of the swim bladder, called swim bladder disease, which would require antibacterial treatment. If you notice your koi has lost most of it’s buoyancy control and does not ever swim normally, it’s likely the swim bladder.

Why is my fish swimming vertically?

A fish swimming vertically, nose-down, can mean one of two things. A few species of fish do this as part of their normal behavior. However, more often than not, a fish swimming at odd angles indicates issues with the swim bladder. Swim bladder problems have a host of causes.

Why does my Koi not swim in the pond?

If you notice your koi has lost most of it’s buoyancy control and does not ever swim normally, it’s likely the swim bladder. If the strange swimming behaviour is random, and there is periods of normal swimming, it may instead be related to very poor water conditions (i.e. ammonia poisoning).

Is there such a thing as a bloated Koi?

Re: Fat / bloated Koi. Blimey it is looking bloated, but then the Shusui next to it also is in those pics! I don’t have a lot of first hand experience dealing with bloated or egg bound fish, so it will be interesting to see what Huso Huso and LeeB have to say about this if they are around today!

Why is my koi swimming upside down and sideways?

If you notice your koi has lost most of it’s buoyancy control and does not ever swim normally, it’s likely the swim bladder. If the strange swimming behaviour is random, and there is periods of normal swimming, it may instead be related to very poor water conditions (i.e. ammonia poisoning). Will my Koi get Better Without Treatment?

Why are my Koi showing symptoms of parasites?

If only one or a small percentage of fish show symptoms, and these symptoms appeared over a period of weeks, (one fish at a time), and the water tests ok then the culprit is more likely to be pathogens like bacteria or parasites, especially the latter. Normally these parasites attack one fish and start to multiply.

How big is a fat, bloated koi fish?

Fat / bloated Koi. A koi we’ve had for about 20 years appears to have recently, (6 months?), put on a lot of weight. The fish is approx 20-24″ long and 6-8″ high.

What to do with a bloated koi pond?

It could be worth providing some brushes for them to spawn on, and also try massage to see if you can get any of the eggs to release. Warming the water up could also bring on spawning if you’ve got the ability to do that.

If only one or a small percentage of fish show symptoms, and these symptoms appeared over a period of weeks, (one fish at a time), and the water tests ok then the culprit is more likely to be pathogens like bacteria or parasites, especially the latter. Normally these parasites attack one fish and start to multiply.

How big does a koi fish get in a pond?

The fish is approx 20-24″ long and 6-8″ high. But it’s about 6″ wide and reminds me of a threatened puffer fish. Very lethargic when it swims, with a slight list to starboard, and sits/lies on the bottom of the pond leaning to it’s right hand side the rest of the time.

Symptoms of Swim Bladder Disorder Fish suffering from swim bladder disorder exhibit a variety of symptoms that primarily involve buoyancy,1 including sinking to the bottom or floating at the top of the tank, floating upside down or on their sides, or struggling to maintain a normal position.