RE: NANFA-L-- cold euthanasia

Irate Mormon (
Tue, 29 Aug 2006 21:25:47 -0500

OR she could just use the free MS-222 that Petco provides :-) Companies
don't like it when you buck the system, especially if you get PETA
sicced on them.

Sarcasm - just another free service I offer!

>-----Original Message----- >From: [] On Behalf Of >Jase Roberts >Sent: Tuesday, August 29, 2006 12:58 PM >To: >Subject: Re: NANFA-L-- cold euthanasia > >Hmmm... Yes, that does sound unpleasant for the fish. The difference here >is that Dave's suggesting you put the fish in the freezer with some >ambient-temperature water. The water's going to slowly cool and take the >fish's metabolism down with it -- so by the time they get to freezing, >they're almost completely dormant. > >What you're doing is sticking a fish with a fully-active metabolism into >freezing water. That means the fish is aware of and responding to the >extreme temperature change. > >If you need to do that, I'd suggest sticking the fish in a small bag of >ambient-temperature water, and immersing fish AND bag into a bucket of ice >water. That'll chill them more gradually, so their metabolism will go down >and they become essentially unaware of the situation before they get to a >lethal chill. > >-Jase /----------------------------------------------------------------------- / This is the discussion list of the North American Native Fishes / Association (NANFA). Comments made on this list do not necessarily / reflect the beliefs or goals of NANFA. For more information about NANFA, / visit Please make sure all posts to nanfa-l are / consistent with the guidelines as per / To subscribe, unsubscribe, or get / help, visit the NANFA email list home page and archive at /