6. different kinds of the anlgerfish http:// tolweb.org/onlinecontributors/app?page = ViewImageData&service = external&sp =24415 http://oceanexplorer.noaa.gov/explorations/04deepscope/background/deeplight/media/fig3c.html http://web1.australianmuseum.net.au/image/Sargassum-Anglerfish-on-a-mooring-rope/ < this is one of the few types of fresh water anglerfish