well, here's the gig.
right now they're sweet.
but aways down the road when you have like facy colored things that you paid GOOD money for that are growing, and moving to new areas in your tank, these said critters can STING them.
soooooo, as a fellow reefer; sound advice would be to rid youself of these pretty pests. god forbid some day they are more successful than the pretty corals you paid for.
But, didnt. and now I understand.
i'll leave you with a metaphore.
A dandylion is beautiful in its own right. but not many plant them in their gardens.