Octopuses can have different sizes, from 15 inches to 6 foot wingspan. Octopuses have three hearts and have blue blood. Octopuses eat some fish, small crustaceans and bivalves. They are predators. They hunt at night, have a nightlife. Are invertebrates with greater intelligence, taking these a highly developed nervous system. It is the most developed invertebrate brain and eyes. Some of these animals are poisonous, but most of them do not pose a threat to humans.. Images of octopuses for the Windows desktop. These images are designed each day looking hot topics and what our users like, our website has been updated today. On our website wikiwallpapers.com you will find HD wallpapers octopuses. Who does not like octopuses Wallpapers? You can change daily background image of your desktop with the themes that you like, free and always be part of Gifmania Network, the network of free internet sites. octopuses Wallpapers widescreen or normal monitors, as the download is adapted to the size of your monitor to get everything you need. There are of all resolutions, and also in HD. The octopeds are a group of cephalopods have no shell and have eight arms. They are marine and carnivores. The eight arms of the octopus have sticky to catch prey or attached to rocks, which is their natural habitat suckers. Octopuses blend in with the environment to hunt their prey and dodge enemies. Octopi mouth is formed by a curved beak tissue to tear. Produce ink used to escape predators when they feel cornered launch an inkjet and escape by swimming at full speed.