I just got my tank about a month ago and have all goldfish, I have 1 small catfish two fantails 1 black morr. Until recently (like yesterday) I had three comets. I came home last night to find two ofthe three comets dead with no signs of injury. but just a few minutes ago I glanced at my tank and saw my last comet was trying to jump out of the water like it was having a spasm. But all of a sudden it stopped moving and started floating around my tank belly up, then I noticed that there was blood escaping his gills and nostrils. please, someone help !!!
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