Hi, I noticed a strange worm in my fish tank. If you know what is it please let me know. http://www.youtube.com/watch?v=hlYE8Zb1xDQ http://www.youtube.com/watch?v=Od169FBUyv4 http://www.youtube.com/watch?v=SwAZ39qj8oo http://picasaweb.google.com/darius.munteanu/WormAquarium# Regards, Darius