Ive noticed what looks like VHS in most of my dead or dying fish. It has been that way for a while now (several months)----> fyi,, I purchase alot of new fish, so I witness alot of fish deaths. 
[r.i.p. all the fishes we have lost!]
Anyway check this link out!
http://news.yahoo.com/s/nm/20070423/sc_nm/virus_greatlakes_dc_1
Then look at this one!
http://news.yahoo.com/s/ap/20070429/ap_on_sc/deadly_acid
<------- cute!
[r.i.p. all the fishes we have lost!]Anyway check this link out!
http://news.yahoo.com/s/nm/20070423/sc_nm/virus_greatlakes_dc_1
Then look at this one!
http://news.yahoo.com/s/ap/20070429/ap_on_sc/deadly_acid
<------- cute!