User blog comment:Jamintheinfinite/Subnautica Creature Evolution/@comment-34289858-20180323171829/@comment-29172324-20180323183220

The relations are based on PDAs encys and evidence. Due to the fact that is is theorized that the Jelly Shroom biomes we're oncrwere once dry and that the life there evolved differently, I didn't bother putting crabsnakes being related to eels