User blog comment:Lord Loss/Monster Hunter Theory... Blog/@comment-4639789-20120211213425/@comment-4818141-20120213170956

How about Lavasioth, then? I'm pretty sure it has lungs, since there's probably not enough oxygen in lava to favor the evolution of lava-proof gills. Also, Plessy might just be moving in and out of water to keep its skin wet; it probably can't survive if it dries out, like whales and dolphins IRL.