ibuyufo - May 16, 2011

Maybe I'm blind but where exactly is this cuttlefish?

yOnsa - May 16, 2011

lower right pie section of the circle, i think. see those bumps that aren't as random as the rocks?

ibuyufo - May 16, 2011

Thanks! Gotta hand it to the cuttlefish!

Eikka - May 16, 2011

Considering that the fish live in the same environment with the same type of rocks and sand for eons, I don't think it's far fetched that they simply take a guess based on what surface they happen to land on.

Life quickly weeds out those who guess wrong.

antialias - May 17, 2011

The interesting thought in this article is that it's not the camouflaged animals' vision that matters but the predators' vision which must be fooled. However, the prey must still know which types of background will be efficient camouflage.

It seems to me that this would force a convergent evolution of the eyes of predator and prey (at least of the color spectrum they are sensitive to). Any maladatptaion would lead to a wrong choice of camouflage and therefore to sudden death.

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