NANFA-L-- Wasting Pupfish

Gerald Pottern (
Wed, 31 Aug 2005 07:46:10 -0700 (PDT)

Brown -- Mycobacterium or a sporozoan are the first two possibilities that come to mind.
If you froze or preserved any (preferably before death), a fish vet might be able to confirm. Were young and old affected-in-similar rates, or did the older ones get sick first ? (typical for Myco). unfortunately neither disease is cureable. -- gerald, hangin on the neuse, NC

Message: 4
Date: Tue, 30 Aug 2005 17:01:19 -0700 (PDT)
From: brown lamont <>
Subject: Wasting disease in native pupfish

I recently lost an entire colony of F3 Cyprinodon Longidorsalis due to
an unknown malady which manisfested as an apparent wasting disease.My
water parameters were:PH 7.8,KH 210ppm,TEMP 78-84,weekly water changes
of 40-50%,and a diet of high quality flakes and premium frozen
foods(Hikari).The tanks were spacious and well filtered with an aragonite
substrate.I did not use significant amounts of salt however they were housed
with F1 Fundulus Heteroclitus who were unaffected.However,I did feed
them heavily and my nitrates occasionally rose above desirable levels.I
interested in some feedback and possible sources of obtaining various

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