Its a 24 gallon tank and I worry about the star dying and decomposing... I've been removing them the second their actual body opens up... I just pulled the most recent star who's body is split in half with white strands emerging from the wound, but it still had healthy tube legs on its arms, so I just dropped it back in the tank and the harlequin immediately dragged it back to its cave... I'm just having a hard time telling when the star is actually dead...