Let them fully download before playing them. If you are using Windows Media Player, click the pause button and then you will see when the movie has fully loaded.
All videos are in mpeg format.
Any problems viewing them please let me know. High power magnification giving a fish's view of this nasty parasite. It shows the highly flexible suckers that the louse uses to attach to the fish's body. Shows Chilodonella at 100 x magnification. The parasite is flat, oval to heart shape with a notched anterior end.