small fish eating large one

one GF doesnt just eat the fins of another GF. the fish being picked at has to be
diseased. new fish bring in disease, give the disease to fish already in the tank.

high nitrates leads to fin erosion, so the fins are eroded, not eaten.

Ingrid


fhapgood wrote:

On May 3, 7:44 am, wrote:
you broke a cardinal rule. never add new fish to old tank without quarantine.

I don't understand the connection with what I wrote. How would a
quarantine have prevented the small fish from eating the fins of the
larger??

you need to check your water parameters. nitrates are probably way high.

Again, I'm missing the connection. Are you saying that high nitrates
stimulate fin eating??? That's amazing. But I'm probably
misunderstanding
you somewhere.




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