Suddenly, one of the octopus’s eight long arms reaches out and grabs the shark. Cue the drama! The shark, taken by surprise, opens its mouth wide in what looks like a scream, while the octopus ...

That mating behavior was such accepted science that in 1982, when Panamanian marine biologist Arcadio Rodaniche reported finding an octopus that mated beak to beak and cohabited between sex acts ...

This octopus species lives in open water in Earth’s tropical and subtropical seas. It’s not the easiest place to find a mate, especially since the male is tiny—less than three-quarters of an ...

Unlike the octopus's arms, which that animal often uses ... to appear larger to its potential opponent. The cuttlefish's beak looks much like a parrot's beak, but it is hard to see because it ...

Once the prey is effectively subdued, the octopus uses its sharp beak to puncture the hard exterior of its victims to consume their softer flesh. But what precisely is contained in its venom? The ...