Print this Web Links Activity Log to record your findings. In order to view and print these activities, it is necessary to have Adobe Acrobat Reader. If you do not have this, get the free download now.   Click the Techie Toolbox for tips and help to make the most of your time on the Web. Chapter 33: Fishes and Amphibians Fish Species Found in Iowa There are over 148 different kinds of fish in Iowa. This site allows you to learn more about each type of fish. Click on the rainbow trout to find out what the state record is. A Masterpiece of Evolution--The Shark Follow the link above to access this site, which provides a wealth of information all about sharks. Find out how sharks are classified and how many species there are. Do sharks have tongues? The Froggy Page Visit this site to learn more about frogs. Why are amphibian populations in Australia declining? The Interactive Frog Dissection Follow the link above to access this online tutorial on frog dissection. What is the best way to make the first skin incision? Declining Amphibian Populations Task Force Southwestern United States Visit this site for information on the nature, extent, and causes of the decline of amphibians worldwide. Why do amphibian declines matter? Fish FAQ, Northeast Fisheries Science Center Answers to more than 100 questions about fish. Columbia Basin Research This site provides data on the status of salmon in the Columbia River. What effect does dissolved gas in the water have on the fish?