A new swamp biome?#981

This kind of goes along with #55 so what I was thinking is a swamp biome/area would be cool maybe for like area 3 and could have animals like crocodiles and frogs if that is possible because I know the eruptions would make it seem weird about how they respawn and stuff but anyways I’m just suggesting this because I like swamps and think it would be cool but I’m pretty sure this’ll be rejected but hey maybe it won’t

If it goes along another post and you are well aware about it, why did you not post your idea as a comment under that post ?