ARTICLES

Octopuses only have one true brain, which is located in their head, wrapped around their esophagus. However, octopuses have other neurons, the cells that form the brain, in other places as well. Octopuses have large numb...

www.reference.com/pets-animals/many-brains-octopus-727d82b7a8885df6

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."

www.reference.com/pets-animals/many-legs-octopus-ea49dd0f1d03407d

An octopus has two eyes, which have a very similar structure to human eyes. An octopus' eye contains a retina, cornea, iris and lens, which provide the octopus with excellent vision, especially for an invertebrate.

www.reference.com/article/many-eyes-octopus-fc4f530a16aaff83

SIMILAR ARTICLES

The mouth of an octopus is located on the lower side of its head. The mouth is shaped like a beak and conceals a toothed tongue called a radula, which is used for scraping and shearing food. The bite of an octopus can be...

www.reference.com/pets-animals/octopus-s-mouth-35a2f2b9a969a3c6

Predators of the blue-ringed octopus include gropers, moray eels, sharks and snappers. At just 5 to 7 inches in size, the species is an easy target for these larger fish that share its territory.

www.reference.com/article/animal-eats-blue-ringed-octopus-28e9aaea022161b8

Some enemies of the octopus include eels, sharks, halibut, ling cod and dolphins. The octopus uses camouflage to protect itself from predators, which allows it to hide in plain sight. It also releases a cloud of black sm...

www.reference.com/article/creatures-enemies-octopus-58a16dd11b121939

An octopus' coloration depends upon its surroundings. An octopus possesses the ability to alter its coloration depending on its immediate environment. This defensive technique protects the animal from predators and entic...

www.reference.com/pets-animals/color-octopus-be94f74fcdc74ebe