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Originally Posted by lunatik_69  There are some fish that change their colors when they take the "Alpha Male" role. These kind of fish are usually in schools and change colors in order for the herd to know who's in charge now. Hope this helps. Luna |
Thanks Luna - Im a little worried now to add any other fish! But i assumed the black colouration is due to his dominince - he's always chasing the female and my damsel.