Hi! I was rearranging a tank last night to accomodate (more) babies and I added a couple plants (one from the GPASI auction and one from another tank) and a few minutes later noticed a HUGE - like close to two inches long, bright red worm desperately trying to wriggle under the sponge filter (the tank is bare bottomed). It looked like a planerian type worm. I am assuming it came off one of the plants but I can't find anything about large flatworms in freshwater tanks. I have never seen one like that before and I don't know if I should be concerned - whether there may be more lurking about ready to eat babies or eggs. Current inhabitants in that tank are cherry red shrimp and livebearer babies. Any ideas?