11-15-2010, 08:38 AM
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My cory cat has a red bump next to his fin
I have four cory cats in a tank along with an assortment of other fish including a juvenile senegal bichir. One of my julie corys has an odd red bump next to his left fin. He seems to be moving fine. I noticed it last night. I do frequent water changes but did not sift my sand for about a week and a half. Last time I changed my water I sifted the sand and rearranged the driftwood. Now, it's three days later....
I'm curious if this is a problem caused by and ammonia burn or a wound caused by my sene. If it is caused by ammonia burn and the water has been recently changed what should I do to treat my sick Cory?