Octopus energy. An octopus is a marine animal with eight arms and legs
Octopus energy An octopus is a marine animal with eight arms and legs. Although they do not look like snails, they do not have a hard shell and belong to the phylum Mollusca. They have eight legs just behind their heads, so they belong to the class Cephalopoda, or "cephalopods" (the same class as squid). They are nocturnal, usually slow-moving. There are about 150 species of octopus of various sizes. Octopuses live in a variety of areas of the ocean, including coral reefs, open shallow waters, and seabeds. Some live in subtidal areas, while others live in the deep sea. Most species are fast-growing, mature early, and live a short time. During breeding, the male octopus transfers the sperm to the female octopus through special tubes. Then he slowly died. The female octopus deposits the fertilized eggs in a cave-like location and cares for them until they hatch, after which she too dies. To avoid predators, they throw ink, camouflage, or change color and show fear...