Page 1 | Page 2 | Page 3 | Page 4 Octopuses are related to squids, cuttlefish, nautiloid, and other molluscs such as snails, mussels and clams. They can creep over hard surfaces using their arms; when they travel through water they move by jet propulsion, taking in water and ejecting it forcibly through a funnel as their muscular mantle contracts. |