these things look like little white spots? I have white things that look like amphides eating the alge in my tank. this is the tank that i killed everything in. so i havn't feed the tank in at least to weeks. im letting it go trying to get my snil population back up. and i notice these things. i had some tetra fry in there that i never got out, do you think a few dead fry would cause an out break of planaria?