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Is this Neon tetra sick? It has a white bubble like growth on the side of its mouth
Thanks!! Yes round lump with white inside. How would I treat it? If one has it does that mean others would have it too??It is hard to see in the photo but does it look like a round lump with possibly something white inside?
This thread http://www.fishforums.net/threads/holes-in-fish-cyst-thats-exploded.425611/ shows what I mean.
There are different opinions depending which site you read. Some say the white line inside the bubble is a worm, others say it is a fungus. The thing all the sites say is that it is not treatable as the bubble protects whatever the white thing actually against medication. Neon and cardinal tetras seem to be the fish most commonly affected. A lot of hits do report that the bubbles eventually fall off and the fish recovers completely except the cases where the bubble is on the gill.
All I can suggest is that you google dermosporidia and see if there is any new info out there since I last looked several years ago. I once had this on a cardinal tetra and never knew what it was till I read the thread in the link in my last post. In my case, it was a newly purchased fish that was so small I didn't notice anything in the shop tank, it was only when it was in my quarantine tank that I saw it had several of these bubbles, and since I didn't know what it was I put the fish down rather than risk the others getting it too.