While camouflaged on the ocean floor off the coast of Israel in the Red Sea, octopods use their arms to grab unsuspecting prey 8 Mind-Boggling Facts About the Octopus (03:59) What Is an Aurora?

The males have evolved to use a venom called tetrodotoxin (TTX) to immobilize females, which are normally around twice their size and commonly eat their ... But while other octopus species have ...

The giant Pacific octopus grows bigger and lives longer than ... Females live long enough to tend fastidiously to their eggs, but they do not eat during this months-long brooding period, and ...