What is this?

  • We are currently upgrading MFK. thanks! -neo
Why gram-negative, Michael?

Hard to say for me what it is so I'd catch it and use a cotton Q-tip and disinfect the wound with a mild antiseptic - hydrogen peroxide, potassium permanganate, iodine, etc. - at least several times for several days to see if there is any effect.

Sure it will stress the fish, yet cichlids are tough.
 
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