Seadweller grubs have to learn to swim, and don't pick it up on instinct. It usually takes about 1 week to learn the basics, and a day to get used to the feel of water. However, if a sea dweller can't learn how to swim 2-3 weeks after birth, they will be culled.
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Homestuck Headcanons
FanficI know there's a lot of stories like this already on WattPad, but they don't update anymore, and I'd like to create one of my own (featuring my Headcanons). This book will have some NSFW Headcanons, but I will write trigger warnings in the titles if...
