Prey include crustaceans, bivalves, worms and copepods. â Dumbo Octopus â Octopus Grimpoteuthis â The Dumbo Octopus measures 8 to 12 inches in length although some specimens have reached a size of six feet in length. Brace yourself â there are 13 recognized species under Grimpoteuthis that consist of umbrella octopuses. Dumbo Octopus Facts Firstly, Dumbo Octopus serves as the collective common name of octopuses in the genus Grimpoteuthis. Finned deep-sea octopuses, of the genus Grimpoteuthis (Robson 1932), consist of about 17 known species and are poorly known. All octopuses in the genus Grimpoteuthis are nicknamed âdumbo octopuses,â due to the ear-like fins that protrude from the sides of their mantles just above their eyes which resemble the elephant ears of the Disney character Dumbo. Its popular name derives not from an attempt to deride its intelligence but to honor it. The name comes from the over-sized, ear-like fins protruding from the top of the head-like bodies. Like all octopuses, they are related to squid and nautilus. There are nearly 37 several types of spices of this. Dumbo octopuses refer to an entire genus of umbrella octopuses, which have a web of skin connecting all of their limbs. The dumbo octopus, or Grimpoteuthis, is so-named for the distinct shape of its fins which closely resemble the ears of an elephant. The Grimpoteuthis bathynectes is also known as the Dumbo octopus. However, most species are on average 20 to 30 cm (7.9 to 12 inches) long. The largest known Dumbo octopus was 1.8 meters (5 feet 10 inches) long and weighed 5.9 kg (13 pounds). They are found in the deep sea and are also called umbrella octopus. The dumbo octopus is actually a name for a group of deep-sea umbrella octopuses, all of which have the characteristic fins that look like the ears of "Dumboâ¦ These fins give it a somewhat elephant-like appearance, hence the name âdumboâ octopus. The name "dumbo" originates from their resemblance to the title character of Disney's 1941 film Dumbo, having a prominent ear-like fin which extends from the mantle above each eye. 2. There are 13 species recognized in the genus. This octopus has got the name due to its large ear-like fins. Since there is a Disney character named Dumbo the elephant and has the big ears, the octopus so too was given this name. The octopus was given its name from the big ear-like fins on its head. Naturally, its nickname is a reference to the classic Disney animated movie, Dumbo. Each species of dumbo octopus has the same feature that makes them so adorable â their ear-like fins. They swallow their prey whole and are seen to diet on isopods, bristle worms and amphipods. For the most part, however, the Dumbo octopus is characterized as a small octopus. This octopus gets its name from the large, ear-like fins located on its mantle. Dumbo octopuses are actually a genus consisting of 13 different species. A "Dumbo" octopus is photographed at a depth of 7,000m in the Indian Ocean's Java Trench. The dumbo octopus does not have an ink sac and is therefore incapable of inking. It is the dumbo octopusâ ear-like fins that make them stand out among other octopodes. Dumbo octopus is a specific type of octopus that got the name after the famous character of Disney Dumbo, an elephant. Due to this, many people consider the fins to resemble those of Walt Disney's popular creation, the flying elephant Dumbo. The name dumbo octopus refers not just to one species but to an entire genus of deep-sea umbrella octopuses, noted for their fins that resemble Dumbo the elephantâs ears (of Disney fame). This is an odd looking animal that â¦ Grimpoteuthis is a genus of pelagic umbrella octopuses known as the dumbo octopuses. Read on to learn about the dumbo octopus. Dumbo Octopus: Dumbo Octopus is very small in size and looks completely different from the other octopus species. They have an ear like fins on two sides of their head.