Fisknyckeln is an Android app by Sportfiskarna that allows users to learn about fish species found in Swedish waters. With over 240 species of fish included, this app serves as an excellent tool for fishermen who want to learn more about the fish they catch.

The app provides pictures and information about each species, allowing users to identify them. In addition, the app features a quiz that helps users identify fish they have caught. This app is a great resource for anyone interested in fishing or marine biology.

Overall, Fisknyckeln is a valuable educational tool for those who want to learn more about fish species found in Swedish waters. The app is easy to use and provides a wealth of information in a convenient mobile format.