An octopus has eight legs, but they are more commonly referred to as tentacles. The name "octopus" is directly derived from the prefix "oct-" which means eight and is found in other words such as "octagon." More »

Octopuses evolved, most likely, from early gastropods and evolved arms and legs from what used to be funnels, their horn-shaped shells, and then grew an extra pair of arms for hunting, according to Sea Friends. It's not ... More »

Historically, hot dog buns are available in eight-count packages. Spiders and octopuses also have eight limbs. More »

A live octopus can be bought both in aquarium stores and ordered online to be delivered through the mail. Depending on whether you are hobbyist or a scientist, you can buy an octopus from various suppliers. Certain selle... More » Pets & Animals Marine Life Octopi

An octopus uses several methods to move through the ocean. An octopus in a hurry uses jet propulsion by rapidly contracting its water-filled mantle, the muscular sac that encloses its gills and body organs. The contracti... More »

The octopus belongs to the phylum Mollusca in the Animalia kingdom. The phylum contains a large number of aquatic life forms in addition to the octopus, such as squid, mussels and oysters. More »

The octopus mainly eats crabs and other shelled invertebrates, though they do eat fish and small sharks as well. The fact that they eat crabs primarily is the reason why an octopus has a beak. More »