Fisheries in Iowa

The Manchester trout hatchery produces more than 600,000 fish for waters across Iowa and is one of the few fish hatcheries in the state. At the hatchery, visitors may feed the trout in outdoor ponds. The creek next to the hatchery has fish in it to show the contrast of a hatchery vs. nature. The facility spawns, incubates and hatches rainbow, brook and brown trout and visitors are allowed to tour the different spawning, incubating and hatching areas. All of these areas are developed to keep trout in a safe and healthy environment so that they may grow and be sent out across Iowa. The center also offers educational science class assistance.

• Why do we need fisheries? How do they work? 

• Are there fisheries in Iowa? 
• How does the process of egg collection work? 
• At what stage in the life cycle do fisheries send fish out?
• How long does it take for fish to go from egg, to tadpole, to full fish? 
• Why are the eggs in the hatchery more successfully grown compared to eggs found in the streams? 
• How does the life cycle of a trout compare to a human life cycle? 
• If fish hatcheries were to expand, in what ways could it impact agriculture?

Students could:

• Investigate at the different habitats for fish in Iowa as well as what each specific fish needs. 
• Create a board to capture knowledge that students have previously learned about fisheries located all over Iowa, as many students may have background knowledge about what they, are and how they work, and if they live near one or maybe even have a relative that runs one. 
• Bring in a fish hatchery employee to talk with the class than have students can create a big poster board showing the life cycle of a fish in a fishery using lots of color, pictures, and descriptions of their content through the phenomena. 
• Create an aquascope by using a plastic half gallon jug, heavy tape (duct tape), and clear plastic wrap. You take this and put the covered plastic end into the water and you can peer into the water and see deeper down with more clarity. 

• NOAA Fisheries| Who We Are: Overview about what fisheries are, how they work, and the effect they have on the fish population.
• Iowa PBS | Iowa Outdoors: Spirit Lake Fish Hatchery: A video from Iowa PBS documenting the process of collecting fish and eggs for Iowa fisheries in Spirit Lake, Iowa.
• Iowa Department of Natural Resources (DNR) | Trout Spawning Process - Iowa DNR, Manchester Hatchery: A video about the Manchester fish hatchery providing quality facts and imagery.
• Iowa Department of Natural Resources (DNR) | Fisheries in Iowa: Overview of the 8 Iowa fisheries from the Iowa DNR with a description of each fishery in Iowa.
• Wildlife Trust for Beds, Cambs, and Northants |Make your Own Underwater Viewer: The most simple device to construct to look underwater, you can build a bathyscope almost entirely out of found materials. Use it to look into shallow bits of water with easy access and cut out the surface glare.