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I have to give partial credit to gianluca, whose answer inspired this, but... what if They live in the ocean If your aliens live underwater, and especially if they only live in deep water and don...
Answer
#1: Attribution notice removed
by
System
·
2020-12-01T17:59:14Z (almost 4 years ago)
Source: https://worldbuilding.stackexchange.com/a/174034 License name: CC BY-SA 4.0 License URL: https://creativecommons.org/licenses/by-sa/4.0/