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Interestingly, the Blanket Octopus is also immune to the poisonous Portuguese Man O’ War. This makes yet another way in it separates itself from most other octopi.

It also appears to inhabit a wide range of depths, as well. This unique physical characteristic sets it apart from other related species.ĬC License: The Blanket Octopus Distribution, Habitat, and Ecologyįirstly, the Blanket Octopus inhabits all known tropical and sub-tropical waters of the world.

Further, this special tentacle is known as a hectocotylus. In addition, the males have a specially modified third right tentacle which stores their sperm. However, the most common colors display include silvery sides and dark blue or purple surfaces. This genus, like most of its relatives, has the ability to change color at will. Indeed, females often reach 6.6 ft (2 m) in length, whereas the tiny males at most only reach a few centimeters in length. Mimic Octopus Dumbo Octopus Flapjack Octopus Source: ĬC License: The Blanket Octopus Physical DescriptionĬollectively, all of the known types of tremoctopus exhibit an extreme degree of sexual dimorphism. That’s because females may be up to as much as 10,000 times the size of the male.

Most notably, this fascinating cephalopod displays the greatest degree of gender-based size difference among non-microscopic animals known to man.

In fact, the other tentacles all develop significantly shorter and lack this unique type of webbing.

Further, these connect the dorsal and dorsolateral tentacles of the adult females.

The common name of the breathtaking creature, understandably, occurs due to the long transparent webs it develops.

Also, the genus contains four currently known species that occupy surface to mid-waters in subtropical and tropical oceans.

The Blanket Octopus, or Tremoctopus, forms a genus of pelagic cephalopods.