I HAD SOME FLOWER POT CORAL THAT DID WELL FOR A LONG TIME. WHEN IT DIED I BROKE APART THE SKELETON TO FIND 5-6 SMALL BRISTLE WORMS &WHATappeared TO BE 4 SMALL BRITTLE STARFISH. I HAVE 1 LG. BRITTLE IN THE TANK.ARE THEY ASEXUAL? IF THEY ARE SM. BRITTLES COULD THEY HAVE KILLED THE FLOWER POT? I...