not sure if their being eaten or just used as a seat. either way i am sure they need to go the mushroom is closed now and about to die. it seems nothing else is being bothered at the momment. they look light green in color the pic isint great. i have flatworm exit but i don't care to use it. they just come back and i don't want too run the risk of killing any other critters.http://i76.photobucket.com/albums/j17/Mox-Nick/DSCN0437.jpg any insight would be a great help