Octopuses An octopus is a creature that many do not give much thought to, but it just happens to be considered one of the world's most intelligent invertebrae. Most people only see an octopus on their dinner plate and quite often get them confused with squids. Yet they are amazing creatures that are completely separate from squids. Octopuses are carnivorous marine mollusks that can be found throughout the world's tropical and warm temperate waters. To determine a creature's scientific name, one must consider its origin and how it starts off. An octopus is a Protosome because when it starts to form, the blastopore does not turn into the anus like in Deu