Set up a fish tank one month ago and noticed today that one of my fish's Chins looks bigger. Is it just me, does it look like there is anything wrong with it?
Hi, Just wondered if anyone can help me? My fish (forgotten what sort of fish he is) can't seem to close his mouth? He cant eat and is panting. I dont think its mouth rot - I cant see any fury bits.
Anyone got any ideas what it could be?
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