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A live coral polyp with turquoise tissue and brown tentacles closes its mouth (the...
Bobtail Squid Shimmers
Within hours of birth, the Hawaiian bobtail squid attracts bioluminescent bacteria,...
Like all other cephalopods, squid will only mate once in their life. These two are...
The pearly nacre of a nautilus shell is sought after for jewelry.
A cuttlefish pupil is in the form of a "W."
A Pair of Octopuses
Not only can octopuses change the color of their skin, they can also change the...
A cross-section of a nautilus shell is not only beautiful, it also is a great...