what is the most humane way to kill a fish

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i've got a emperor that i've had for at least 8 years , he's gotta huge tumor on his face , i can't bring my self to euthanize him even though he takes away from the tank when you look at .
He eats like a pig and other wise seems okay. i've been tempted to take the fish and perform surgery on it but don't want to kill him in the process.....
 
if hes fine then leave him be, probably a benign tumor, even so all tumors are packed with tiny blood vessels and cutting it out yourself will most likely lead to the fish bleeding to death.
 
slice a sharp knife through the backbone. fast easy and definately dead. May twitch a bit but its just nerves
 
Uh, I don't think the point of putting the fish in the freezer was to torture it.

With a fish being the size that it is, it can't take long for it's body temperature to go down quickly. Our body temp., if I remember correctly, drops rapidly once it hits 90 degrees. It probably takes two seconds for the fish to actually die, and all of the body systems are probably just shut down. The only painful thing about it would be it having to breathe air directly, but then again, it wouldn't be for long.

My solution: Stick it in the freezer for a few seconds, it can't live that long.
 
Uh, exactly what I was trying to say. Meaning if you put them in the freezer, their body temp would rapidly drop just fast enough that all of their systems shut down.

Kinda like Hypothermia.
 
The last time I had a sick fish I took my AK-47 and Euthanized it. Nothing a 100 rounds of hot lead wouldn't fix....



Just kiddin... :) (I only used 70 rounds....) :lol:
 
Freezing a fish is not humane. It actually causes the fish a graet deal of pain. Again, the only method I would use, is clove oil, folllowed by alcohol.
 
the guy in that thread who said he talked to his vet is full of crap (or maybe his vet is). directly from the AVMA website, under the special considerations heading AMPHIBIANS, FISH, AND REPTILES-- "use of clove oil is not acceptable" followed by "euthanization by cooling of REPTILES is inhumane, EVEN IF combined with physical or chemical methods" At no time does it deal with fish, particularly warm water marine species.In fact, the only openly endorsed methods mentioned are decapitation (followed by pithing), or injection (and the injections are $$$, according to my sister, a vet)
I use freezing (as I have said before), after conversations with several PhD's of marine biology, and a vet (my sister, as mentioned above). according to them, the enzmes used in metabolism in tropical marine fish basically cease to function at about 50 degrees. Also, while there is evidence that fish feel discomfort, that can't be equated to feeling pain the same way we do.
Also, the guy that claims that most sharks are warm blooded is wrong. some sharks, while still basically ectothermic, can slightly raise their body temps above that of the surrounding water for short periods of time (Great Whites and Makos use this to give them bursts of speed for hunting, for example)
 
Hammer. It's the only way to go.

Works great on mice caught in sticky traps also.

Just make sure you have good aim, and with mice, there will be quite a bit of splatter.
 
Why not an axe? you get the decapacitation of a knife and the power of a hammer! best of both worlds
 
ok if your looking for a fast humane death just put it in the ole blender and turn it on high. Presto! Instant death.

How can you possibly deny that?
 
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