Pets & Animal Pets Fish

Are the Koi in Your Waterfall Pond Healthy?

Most people know when their children aren't feeling well.
The reason we know they are sick is because we know how they normally look and act.
A flushed face, an inactive child, a runny nose or any other visible signs are what we look for.
Your Koi are no different.
They can't talk to us but they can communicate when something is wrong.
Since they can't talk you must understand and know exactly what it means to have a healthy Koi.
Swimming Behavior - When Koi are healthy they will swim around the pond in a group.
Normally one Koi won't swim by itself.
The group of fish will swim up and down, from one end of the pond to the other or hang out under a plant for a while.
Healthy fish will not lie at the bottom of the pond (except during cold hibernation months) or swim upside down.
Swimming upside down or jumping out of the water is not a good sign.
Fins and Gills - In a healthy Koi the fins will be held out straight.
The fins will not be torn, jagged or uneven.
Their gill movements should be relaxed.
Gray gills or tissue that seems to be burned away is not the sign of a healthy fish.
A Koi in good health will never have red lines in their gills.
If they do then they are under stress and need immediate care.
Eyes - A Koi's eyes will be bright and clear when healthy.
If their eyes seem to be a cloudy white or bug out then there is a problem.
A Koi's defense mechanism against disease is to produce mucous, which is what actually causes the cloudy white that you may see.
Body - The Koi's scales should appear smooth and even.
Sometimes when they are sick they rub against the pond and this causes sores, tears or places where the scales are torn away from their body.
Other behavior - Your Koi will become familiar with you and won't swim away when you approach.
Should they become skittish it may not mean they are sick but that a predator has been approaching the pond.
You will want to take precautions before the predators take your Koi.
You are probably wondering how you are going to get to know your Koi well enough to know all these things.
This is when you should be hand feeding your fish.
Not only is it fun but you can check the fish over for any problems.
If you are not hand feeding your Koi then you need to work toward that goal.
Begin by standing by the water while feeding them.
Next sit by the water and watch while they eat.
Eventually you will be able to lower your hand in the water and they will eat out of it.
You owe it to your fish to do this so you quickly can see when they are sick.

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