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Fishing Codex is a free fishing logbook. Catches are logged in the app.
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What this event is: The most different species wins.
The official Fishing Codex crew's monthly challenge: land as many different species as you can before the window closes. Free, worldwide, no signup cap — anyone can join, and you can leave whenever you like. Verified the same way every event in the app is verified. Everyone who lands 3 different species during the window earns the Species Slam October 2026 badge.
Enter 3 different species to complete it.
How catches are checked: Measured in the app, with a photo and a measurement
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