The industrious mudskipper is building a home. He sucks in mouthfuls of sand, then spits them out away from the rock. Soon, a cozy cave forms.
The starfish thinks that he can simply take the house away. It's just a matter of sliding in, like your friend who invites himself over to your house and then won't leave, even when you put on your pajamas and get ready for bed.
-via Tastefully Offensive