Documentary: Octopus - Squid - Sea Creatures of the Ocean

Documentary: Octopus - Squid - Sea Creatures of the Ocean
The octopus is a cephalopod mollusks of the order Octopoda. It has two eyes and four pairs of arms and, like other cephalopods, it is bilaterally symmetric. It has a beak, with its mouth at the center point of the arms. It has no internal or external skeleton

Squid, any of more than 300 species of 10-armed cephalopods classified within the order Teuthoidea (or Teuthida) and found in both coastal and oceanic waters. Squids may be swift swimmers or part of the drifting sea life (plankton).

Octopuses inhabit diverse regions of the ocean, including coral reefs, pelagic waters, and the ocean floor. They have numerous strategies for defending themselves against predators, including the expulsion of ink, the use of camouflage and deimatic displays, their ability to jet quickly through the water, and their ability to hide.