Field guide No. 404

A striped cuttlefish swims over clear shallow water, and the sandy seabed below has rearranged itself into the same purple-and-white stripes. For once, the background is doing the work.

The seabed mimics the cuttlefish

The sand is copying.

A striped cuttlefish swims over clear shallow water, and the sandy seabed below has rearranged itself into the same purple-and-white stripes. For once, the background is doing the work.

Field noteCuttlefish copy the seabed. A seabed copying back has picked up the animal’s trick.

Specimen
No. 404
Kind
Possible (the golden mountain kind)
Breaks
Category
Where it doesn’t exist
Clear shallows over sand.
Nearest existing relative
A cuttlefish.
Filed in Fresh slop as
Surreal

Also possible, also breaking category