B blue phantom Jack Dempsey MFK Member Jan 22, 2011 309 0 31 Denver, CO Feb 17, 2012 #1 I got two convicts yesterday to cycle my new tank and one has this black spot on its back. Can anyone tell me what it is?
I got two convicts yesterday to cycle my new tank and one has this black spot on its back. Can anyone tell me what it is?
