Fish Dissection Guide A guide only, no photographs or diagrams, yet there is much material on structure and function. http://www.d91.k12.id.us/www/skyline/teachers/robertsd/fish.htm (Added: Wed Jul 11 2001)
Perch Digestive System Text and diagrams http://www.uwinnipeg.ca/~simmons/lb8pg3.htm (Added: Sun Dec 02 2001)