When it comes to our favorite ocean animals, I think it’s safe to say octopuses are very high on the list. Here at Ocean Conservancy, we just can’t get enough of cephalopods. They are unique, interesting and mesmerizing. And, just when you think you’ve learned all about them—you find out something new!
The marine animal class of Cephalopoda includes octopuses, squid, cuttlefish and nautiluses. The name “cephalopod” comes from the fact that their arms are connected directly to their heads. Octopus have eight arms, while squid and cuttlefish have eight arms plus two other specialized appendages, called tentacles.
You’ve heard of monsters of the deep—but which cephalopod is the biggest? Which is the true monster lurking in the sea? Let’s dive in and find out if it is colossal or giant!