Maisie Summers on Nostr: Certain types of sea urchins will pick up a shell with their tube feet and ‘wear’ ...

Certain types of sea urchins will pick up a shell with their tube feet and ‘wear’ it, with a behavior known as “covering reaction”, mainly because they shy away from light.

So aquarium enthusiasts 3D-printed tiny hats and they actually wear them.
This isn't photoshop... it's real sea urchins wearing hats.