Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. It’s hard to identify individual members of another species ...

A distinct striped pattern on a species of octopus varies from one individual to the next, which could help researchers monitor the rare animal. Pygmy zebra octopuses (Octopus chierchiae), also known ...

Octopuses and other camouflaging cephalopods may be the literal embodiment of “now you see me, now you don’t.” Using both rapid color and texture changes, octopuses can blend into nearly every ...

There’s a famous viral video in which a diver slowly swims up to a clump of rock and seaweed, only for part of that clump to turn white, open its eye, and jet away, squirting ink behind it. Few videos ...