a happy spermwhale in the sky, maybe it coould be frineds with that huge brown orb flying towards it

A whale in the sky wonders if the object rapidly approaching it wants to be friends.

Whale is falling to earth from space saying "I wonder if ill be my friend?"

flying space fish

fish achieves flight

A fish flies into a yellow portal.

a flying fish about to fly into a portal

a flying fish using the portals from the game Portal.

Now you're thinking with portals!