There is no rule that says the name of a creature must be based on how many legs it has.
Spiders have been around a long time- I doubt that the first person who saw one counted its legs- would you?
A better question might be , "Why was the octopus so named? " -- I would guess, that being a sea creature, far removed from most people, it did not have a name when it was first seen by man, so somebody made up a name for it and chose to focus on its eight legs to choose its name.
By definition, it cannot be an insect if it has eight legs. There are many eight-legged arthropods that resemble insects and spiders. The Harvestman has eight legs but is not a spider. It is part of the mite family. Ticks can be mistaken for insects or spiders, they have eight legs but are in a family of their own.
An octopus has eight arms. These appendages are lined with suckers that help the octopus capture and manipulate prey.
An arachnid. eg: spider/scorpion.
Some examples of animals with more than eight legs include spiders, scorpions, and centipedes. These animals are known as arachnids or myriapods, and their numerous legs help them move efficiently and navigate their environments.
umm maybe spider??
By definition, it cannot be an insect if it has eight legs. There are many eight-legged arthropods that resemble insects and spiders. The Harvestman has eight legs but is not a spider. It is part of the mite family. Ticks can be mistaken for insects or spiders, they have eight legs but are in a family of their own.
Octo = eight Octopus = eight arms Octagon = eight corners.
an octopus, noob
An octagon.
The octopus as eight arms covered with suckers. That's why they call it an "octopus"
An octopus has eight arms but only one brain.
eight tentacles
A female octopus on a date.
Octopus has THREE HEARTS.Octopus has EIGHT LEGS.It iS a MARINE ANIMAL.
An octopus doesn't exactly have hands it has tentacles and there are eight of them.
An octopus has eight arms. These appendages are lined with suckers that help the octopus capture and manipulate prey.
It is Greek for eight, as in the eight tentacles of an octopus.