Black spot on emerald corydora fin. in Diseases Posted April 7, 2021 · Edited April 7, 2021 by Canmanak PIC Hi. I have 4 emerald Cory's in my frog tank that have been there for 6 months. One of them has gotten a black area on his fin that was not there before. All tankmates happy. Any ideas what it could be?
Black spot on emerald corydora fin.
in Diseases
Posted · Edited by Canmanak
PIC
Hi. I have 4 emerald Cory's in my frog tank that have been there for 6 months. One of them has gotten a black area on his fin that was not there before.
All tankmates happy.
Any ideas what it could be?