AW: [RML] Re: Euthanizing fish

Harro Hieronimus (harro.hieronimus at t-online.de)
Mon, 24 Oct 2005 07:51:43 +0200

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Im sorry, but how will you euthanize a fish that breathes air? Of
course clove oil and other anaesthetics cant work in exclusively air
breathing labyrinth fish!

Regards Harro

-----Urspr|ngliche Nachricht-----
Von: r_m_l at yahoogroups.com [r_m_l at yahoogroups.com] Im Auftrag von
parin_iceyfist
Gesendet: Montag, 24. Oktober 2005 09:51
An: r_m_l at yahoogroups.com
Betreff: [RML] Re: Euthanizing fish

--- In r_m_l at yahoogroups.com, "Harro Hieronimus"
<harro.hieronimus at t...> wrote:
>
> There is a much easier way to euthanize fish in a very easy way (and I
> also don't support the author's view that fish can feel pain in the
> human sense as they lack receptors for that, they indeed can feel a
kind
> of chemical pain by nocireceptors): clove oil. A few drops will calm
> them down to unconsciousness; a few more will let them sleep forever.

I tried clove oil once on a female Betta, which had a torn-out eye due
to a fight with another female. I put it in a small container with
about 1 liter of water and then added 4 drops of clove oil. After 10
minutes still nothing happened, except that the fish starting coming
up to the surface for some air. But when it touched the oil drops they
seemed to hurt it because it would jolt right to the bottom and then
it would twitch a few times. It looked horrible. But there was no way
turning back, so I added a few more drops and tried to mix them with
the water.
The fish jumped from left to right and top to bottom for a few minutes
before finally settling down on the bottom. Then after about 5 more
minutes it finally stopped breathing. So in all, it took over 20
minutes, and I felt horrible seeing the fish acting like that.

I don't know what I did wrong then and there, but since then, I used
the freezer if needed.

Regards,
Gunther