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Euthanasia

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Euthanasia is the deliberate ceasing of an animals life functions in a painless way so as to relive the suffering of the animal when medical aid has not helped.

In the aquarium hobby various methods are used. Here is a current list.


[edit] Recommended

In order of merit

  • Anaesthetics (Finquel, Tricaine methanesulfonate (TMS), Benzocaine hydrochloride, MS-222, etc.)
  • Carbon dioxide (via airstone, Sodium bicarbonate (Bicarbonate of soda, baking soda), Health salts (Alka-Seltzer))
  • Clove oil

[edit] Not recommended

All these methods stress or hurt the animal before it dies.

  • Freezing or boiling
  • Alcohol
  • Physical violence (Sudden blunt trauma, Decapitation, Pithing, etc.)
  • Flushing down the toilet


  • Certain species of fish and amphibians can survive in extremely low oxygen environments so the use of CO2 may not be a quick method for anaesthetizing.

[edit] Links

brackish water