What is the most humane way to euthanize aquarium fish?
Aquarium fish can be safely and humanely euthanased by administering an overdose of anaesthetic dissolved in water.
How do you euthanize a fish vet?
The American Veterinary Medical Association (AVMA) recognizes two humane methods of euthanasia for fish: use of tricaine methanesulfonate, commonly referred to as TMS or MS-222, and decapitation. TMS is a white, powdered muscle relaxant that is mixed directly into the water.
Is freezing a fish humane?
In short, putting most fish in cold water or freezing them is not going to reliably kill them. Some die, some don’t. If it is humane remains questionable, not sure there is enough evidence to support a conclusion on the fish’s experience of being frozen.