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[Zbrafish] infection

Steven Waldron via zbrafish%40net.bio.net (by waldrons from u.washington.edu)
Thu Dec 13 11:31:46 EST 2007

It could be a pathogen but while you are awaiting diagnosis I would try 
to rule out some other variables...the symptoms described sound 
suspiciously like an acute toxicity effect, maybe from ammonia poisoning 
or gas-bubble disease.  Do an ammonia test and check your sumps for the 
build-up of excess fish waste (do you use a gravel based biological 
filter?). Also, check the intake of your pump for leaks. If the pump is 
drawing air and the water is super-saturated with gas, your fish could 
be getting the "bends" and will exhibit all the symptoms you describe.
Steve Waldron
Wong Lab, University of Washington

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