For what it's worth:
I did see an article when I googled clove oil and zebrafish about fish still
being stressed when put under with clove oil relative to MS-222 as determined
by measuring the level of stress hormones.
HenryT
"The idea is to die young as late as possible" Ashley Montagu
Quoting Peter Unmack <peter.lists at>:
> On Tue, 25 Apr 2006, geoffrey kimber wrote:
>
> > I remember reading that there was some concern that clove oil injured
> > the gills of fish that were sedated with it. Obviously, this wouldn't
> > matter when euthanizing fish, but is this really a problem for
> > sedating fish? Is the problem concentration dependant?
>
> I did a quick google search and didn't find anything suggesting this.
> Several studies have looked-in-repeated exposure and compared fishes to
> control groups and didn't mention anything, but they may not have
> specifically looked either. I usually only use it to kill fish in the
> field, thus damage to the gills wouldn't be very important-in-that stage.
> :-)
>
> Cheers
> Peter
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