clownfish problems

Hi everyone! I’ve had my female Banggai cardinalfish (rather large, definitely an adult) with my ocellaris clownfish (adults but still very young, the male is rather small compared to the Banggai cardinalfish) in my 250l tank for a month or so. The clowns were first, then I bought the cardinal...

Hey everyone thanks for any help you can give a new reefer I recently got my first clown fish and they have recently been jumping into the back of the nano tank at night and making splashing sounds. I noticed today that he has small black patches behind his two front fins. I used slow-mo...