How to euthanize a fish? 4 ways


How to euthanize a fish? 4 ways

How to euthanize a fish? If you want to kill your beloved pet fish because it becomes aggressive or dangerous for your other fishes, then you need to think about how to humanely kill it.

Although these cases are rare, they can actually happen, so you have to be ready for this time and know what exactly you have to do.

We will tell you when you will need to kill your fish quickly and humanely, and how to do that.

When will you need to euthanize a fish?

There are many cases that will lead you to kill your fish, and all of them are cases out of your hands.

You might try to kill your fish because it is dying, and there is no hope of recovery, or because it becomes aggressive and you can’t deal with it anymore.

It also can happen because you want to protect your other fishes from the sick one,

All the above reasons are acceptable but you need to know that it is horrible to kill your beloved fish just because you don’t want it or because you are bored of it.

How to euthanize a fish with baking soda?

This method is considered the best way to kill your fish because it is a quick process, cost-efficient, and easy on the fish.

So, what are the steps to euthanize a fish with baking soda?

  1. Put 3 tablespoons of baking soda per gallon of water in your tank, such as, if you have a 10-gallon fish tank, then you need to add 30 tablespoons of baking soda.
  2. Wait until you see that the baking soda spread throughout the fish tank, then you will find that you have done this job quickly.
  3. You will find that this method can work with all types of fish tanks, all you need to do is to make sure that the baking soda takes its time to spread throughout the tank.
  4. This method won’t make you feel uncomfortable at all because the results are going to be fast, and the baking soda will only take a few minutes to spread.
  5. Now it is time to gently remove the fish from your tank by holding it and remove it from the water, then you are free to do whatever you want with your fish.

Important note:                          

In order to make sure that your fish is dead, you need to wait at least 30 minutes after using any method to make your fish die faithfully.

To ensure that your fish is dead you have to watch the last sign of gill movement and also the loss of eye-roll.

How to euthanize a fish without clove oil?

You can try many different ways to euthanize a fish without clove oil, you can try the last method that depends on the baking soda, anesthetic overdose, or physical methods.

All the past ways will help you to euthanize a fish without clove oil, and you can also try the death by injection.

You can make it happen by injecting barbiturates into the fish’s bloodstream, but you will find that it is difficult because it is a controlled substance.

Therefore, you will need to visit your vet because he will be the only person who may be able to do this for you.

How to euthanize a fish by using anesthetic overdose?

You can euthanize your aquarium fish safely and humanely by administering an overdose of anesthetic dissolved in water.

You won’t be able to use this method unless with large fish, which are difficult to handle.

In order to use this method, you will need to take small advice from a veterinarian because he is the only one who can recommend anesthetics for your fish.

You will find that all you need to do is to put the anesthetics to aquarium fish, and wait until it takes its last breath.

How to euthanize a fish with physical methods?

If you decided to use physical methods such as stunning and decapitation in order to kill your fish, then you need to do it fast and correctly, so you must rap destruction of the brain by pitching.

Although these methods are safe and humane, you will find some people don’t feel comfortable with using these methods.

You can only use these methods with aquarium fish, such as Bristlenose pleco, Panda cory, and Albino cory catfish.


If you don’t train before to use this method, then it is not recommended to attempt physical methods at all because it can be so dangerous for your fish, which will lead to a poor outcome for the fish.

What will you do with your dead fish?

You can choose what you will do with your fish, you can simply bury it in your backyard, wrap it up and throw it out with your regular trash, or you can only contact your veterinarian and ask him to dispose of your fish for you.

We prefer to use the last option, which is related to the veterinarian because he will know what to do with your fish professionally.

Be careful:

There are many inhumane methods to kill your fish, which you think that these methods are right but they aren’t.

The inhumane methods include leaving your fish down the toilet, immersion in ice, putting it in the freezer, or leaving it out of the water to die from suffocation.

Final words:

You don’t have to feel guilty when you decide to kill your fishes at all because you make their way easy to die in peace without facing any other difficult health problems.

When you choose to euthanize your beloved fish, you have to know that you make what is best for your fish in order to end its suffering or just to protect your other fishes.

Therefore, you must choose the perfect way to euthanize your fish, and we gave you many ways to do that correctly and quickly without making your fish suffers anymore.

Now you know how to euthanize a fish in many different ways, if you have any other way, tell us in the comments.


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