Slimes do spawn in mangrove swamps, but any regular swamp biome will do. If you are looking for these huge green blobs of slime in your swamp biome, there may be a few things you will have to do first ...

How do you find and farm Minecraft slimes? This rare Minecraft mob can be a little hard to find, but once you know how, you can farm hundreds of slimeballs - destroying these green gelatinous cubes ...