lionfishapi-2.8.jar is a release file of the Minecraft mod Lionfish API for Forge, made for Minecraft 1.20.1. It was published on May 15, 2026 and is 0.1 MB in size. For the full description, screenshots and every other version, visit the Lionfish API mod page.
How to install: Put the .jar into the mods folder (.minecraft/mods) and start Minecraft with the matching mod loader profile.