Based on Image:Bachforelle Zeichnung.jpg This PNG graphic was created with Inkscape . U.S. Fish & Wildlife Service (smaller image) This archive copy...
ions in freshwater fish. |Source = http://en.wikipedia.org/wiki/File:Bachforelle_osmoregulatoin_bw_en.png |Date = 15/04/2009 |Author = Raver, Duane;...
