Octopuses The octopus is one of the most remarkable animals of the seas It can change color and shape It can swim by jet propulsion It can probably see very well and it can confuse enemies with a smoke screen of ink Perhaps most remarkable an octopus seems quite intelligent by human measure An octopus can crawl over the ocean bottom or jet through the water 5
Octopuses are invertebrates Invertebrates are animals without backbones such as insects worms spiders sea stars jellyfish and clams Most invertebrates don’t have brains But the octopus is a most unusual invertebrate It has a large and complex brain That provides the octopus with the ability to learn and remember certain things Among invertebrate animals the octopus may be a genius An octopus out and about can find its way home 6
