Snails
RampantParanoia2365, Your image is clearly clipped at the bottom. What happened to the small margin, like at the top? People, have some pride in your artwork.
Damage, This implies two snails at some point lived in the same shell
Track_Shovel, 
Two snails one cup
Exusia, 
Thanks I hate it
Track_Shovel, my work here is done
essellburns, From an evolutionary perspective, this is true!
Slugs have evolved multiple times from snails, due to calcium poverty, dividing off into separate species when they couldn’t get the resources for shells
Track_Shovel, That’s really fucking cool.
I believe crabs have evolved independently several times too
essellburns, For different reasons.
Slugs evolve because it wasn’t economically viable to be snails anymore.
Crabs evolve because it’s so cool to be a crab
mustbe3to20signs, (edited ) Fun fact: slugs are called naked snails in German (Nacktschnecken)
xan, 
I showed this to my mom and she laughed really hard 😭😆
VikingHippie, How old were you when your parents got divorced? 😉
jimmydoreisalefty, Damn!
I thought slugs with caterpillars with depression?
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