The ones in my tank get to be about the size of a qurater, no bigger. That being said, I beginning to think those are not majanos. There just to big. Anytime I've ever seen them they have been about the size of the ones I have in my tank or smaller. I'm with you omard. I think I would probably let them go for awhile unless they become nuaiance, _________ 
55 Gal Glass, 10 gal sump, seaclone100 protein skimmer, 2 pc 65w 10k's, 2 pc 65w actinic, 2 4ft VHO 110w bulbs, 135lbs of live rock, livesand/aragonite mix, coral beauty, percula clown, blue and yellow damsel, peppermint shrimp, Skunk shrimp, coral banded shrimp, xenia, leather, zoas, star polyps, button polyps, frogspawn, hammer, leather, mushrooms, long tentacle anemone, turbosnails, astrea snails, hermit crabs and a featherduster. | 
