🧠 Octopuses Quiz

Octopus ink can also dull a predator's sense of smell, giving the octopus extra time to escape.

Paul chose between two boxes of mussels marked with national flags, and his tips became a worldwide media sensation.

Hank lost one arm, which is why Dory calls him a septopus rather than an octopus.

Cephalopod means 'head-foot', a nod to the way their arms sprout directly from the head region.

Two of an octopus's hearts pump blood through the gills, while the third circulates it around the rest of the body.

Haemocyanin uses copper to carry oxygen, which turns the blood blue and works well in cold, low-oxygen deep water.

The blue-ringed octopus is small enough to fit in a hand, yet its venom contains the same toxin found in pufferfish.

The giant Pacific octopus is the biggest octopus species and is found in the cool coastal waters of the North Pacific.

The veined octopus gathers discarded coconut shell halves and carries them across the seabed to assemble as shelters.

Dumbo octopuses flap the ear-like fins on their mantle to glide through the deep sea, which earned them the Disney elephant's name.