The Great Lakes Angler Diary was developed by Brenton Consulting, LLC, with funding from Michigan State University Extension, Michigan Sea Grant, and Detroit Area Steelheaders. The purpose of this app is to allow anglers to record their catches and share information with biologists. At a minimum, anglers are asked to record the following for all steelhead (rainbow trout) caught during the fishing season: - Length (to nearest quarter inch) - Fate (kept or released) - Sex (male or female) - Fin clips