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Re: Preserving frozen fish specimens


"H.J. Walker" <[log in to unmask]>


Academic forum on fisheries ecology and related topics <[log in to unmask]>


Tue, 2 Jul 1996 10:21:21 -0800





text/plain (1 lines)

John Wullschleger
>Rest assured, your specimens will be perfectly OK as vouchers. Just thaw them
>out in water if they need a bit of rehydration. We routinely fix long-frozen
>specimens intended for permanent museum preservation in formalin (75% ethanol
>would also be satisfactory).
        Can anyone tell me whether fish that have been frozen at
> -70 C for up to a year and a half can be transferred to
> alchohol or formalin and used as reference specimens? I am
> concerned that they might be damaged by freezing to the point
> that they are not recognizable or at least not in good
> enough condition to be useful. The species in question is
> northern clingfish (Gobbiesox maeandricus), which is
> typically found on the undersides of ledges in the intertidal
> zone of the Pacific Coast.
> Thanks in advance.
> John Wullschleger
H.J. Walker,Jr.
Scripps Institution of Oceanography
Univ. California, San Diego 0208
La Jolla, CA 92093-0208 USA [log in to unmask]
phone 619-534-2199 FAX 619-534-5306

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