The New York Times, I rather think,
Could hardly be a waste of ink;
It’s good to see a thoughtful story,
Showing us in all our glory!
A walking (swimming) work of art,
The skin we wear is really smart!
Chameleons can only wish
To emulate the cuttlefish;
A master of the craft indeed,
With changing hues at lightning speed,
Resulting in a really slick
Near-magic disappearing trick!
Now Dr. Hanlon can surmise
A simple trick to our disguise:
Instead of thousands, only three
Designs account for what you see,
To help us disappear from view;
The doctor says here’s what we do:
We keep our color uniform,
When solid backgrounds are the norm;
If busy patterns come, we will
Turn mottled—that will fill the bill;
Our outlines disappear from sight
With our disruptive dark and light.
Discovering this rule of threes
Is one of many mysteries;
But many more are still unknown
To those who lack a cuttlebone.
This picture shows the three basic skin patterns: from left, Uniform, Mottled, and Disruptive.
Picture credit: Roger Hanlon... I grabbed it from The Loom.