I have a group of 10 rummynoses who always shoal and swim together.
Their heads are usually really red, which is a good sign, however I noticed that some of them have some green patches on their head, just above the red part of their heads.
Is this normal or is it some sort of disease?
Their heads are usually really red, which is a good sign, however I noticed that some of them have some green patches on their head, just above the red part of their heads.
Is this normal or is it some sort of disease?