Talk:Alien Containment/@comment-50.183.157.193-20160912025313/@comment-70.95.12.240-20160923003747

An alien is someone from a different country. If biomes are countries to you, then a crabsnake in the safe shallows, for example, is an alien. Plus, it was named for Alterra's purposes, not yours, so it's possible that it may have been to study creatures brought from other planets to their base.