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What trophic level is the dumbo octopus?

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Not having the ability to chew their food, the octopuses are forced to hunt small prey, which can include crustaceans, bivalves, and worms, but sit at the top trophic level.
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What is the rarest octopus?

There are 13 species of dumbo octopuses, and most of them live at depths of below 9,800 feet (3,000 meters). They're one of the rarest species of octopus, so catching a glimpse like this is pretty extraordinary.Oct 29, 2018

Why is it called Dumbo octopus?

The Dumbo octopus is named after Disney's Dumbo the elephant character, from the eponymous movie, that was famous for its big ears. 2. Unlike most octopuses, the Dumbo octopus doesn't have an ink sac because it rarely encounters predators in the deep sea.

How do dumbo octopus protect themselves?

All dumbo octopuses have the characteristic umbrella shape caused by webbing between their tentacles and all have ear-like fins they flap to propel themselves through the water. ... The dumbo octopus has suckers on its tentacles but lacks the spines found in other species used to defend against attackers.Jul 13, 2019

Which class does octopus belong?

Cephalopod, any member of the class Cephalopoda of the phylum Mollusca, a small group of highly advanced and organized, exclusively marine animals. The octopus, squid, cuttlefish, and chambered nautilus are familiar representatives.
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What ocean do dumbo octopus live?

The dumbo octopus (Grimpoteuthis ) is a deep sea animal that lives on the ocean floor at extreme depths of 9,800 to 13,000 feet. They are small animals, around 8 inches tall, and have a pair of fins located on their mantle—their namesake—and webbing between their arms.

How deep can an octopus dive?

World's Deepest Diving Octopus Discovered at 6,957 Meters During Five Deeps Expedition. The deepest diving octopus ever filmed was recently discovered by Dr. Alan Jamieson of Armatus Oceanic, was a species belonging to the Grimpoteuthis family, making this a likely new species of 'Dumbo Octopus'.Jun 4, 2020

How deep can an octopus go?

Deepest known octopus Dumbo octopuses live at extreme depths in oceans around the world—up to 13,000 feet below the surface—and are the deepest-living octopuses known.

How does an octopus poop?

The giant Pacific octopus excretes waste through its siphon, a funnel-like hole on the side of its mantle. As a result, its poop comes out as a long, noodle-like strand. ... Though it usually noshes on crabs, mussels, small fishes and sea urchins, fecal matter is not an unusual meal for this animal.Mar 3, 2021

Why does an octopus have 9 brains?

Octopuses have 3 hearts, because two pump blood to the gills and a larger heart circulates blood to the rest of the body. Octopuses have 9 brains because, in addition to the central brain, each of 8 arms has a mini-brain that allows it to act independently.

What animal has 8 hearts?

Currently, there is no animal with that amount of hearts. But Barosaurus was a huge dinosaur which needed 8 hearts to circulate blood upto it's head. Now, the maximum number of hearts is 3 and they belong to the Octopus.Jun 26, 2019

What is the most beautiful octopus in the world?

One of the most stunning octopus species is the blue-ringed octopus (Hapalochlaena), known for its namesake azure spots. But though beautiful, those blue rings signify danger.Jan 24, 2021

Where do octopus lay eggs?

Where Do Octopus Lay Their Eggs. There is no specific place octopuses choose to lay their eggs. They often simply look for the safest space. This may be amongst seaweed, an underwater rock den, or any place that can give both eggs and mother some shelter.

What is the life span of a dumbo octopus?

Once born, the dumbo octopus already has its trademark mantle fins and has a life expectancy of between 3-5 years.Oct 8, 2018

Can you buy a dumbo octopus?

The Dumbo octopus is a deep-sea animal, so no. You can't kept it as a pet. The Dumbo octopus is an unusual, beautiful animal rarely seen alive outside its natural habitat.Sep 26, 2017

What is the scientific name for the dumbo octopus?

Common Name: Dumbo Octopus. Scientific Name: Grimpoteuthis (Genus). Classification: Phylum Mollusca (Mollusks), Class Cephalopoda (Squids and Octopuses), Order Octopoda (Octopus), Family Opisthoteuthidae (Umbrella Octopus).

What kind of habitat does a Dumbo octopus live in?

Description. There are distinctions between the dumbo octopus species, but all are bathypelagic animals, found on or near the deep ocean floor; all have the characteristic umbrella shape caused by webbing between their tentacles; and all have ear-like fins they flap to propel themselves through the water.

How are Dumbo octopus related to Arthropoda and Annelida?

In the figure, you can see that the Dumbo Octopus in the phylum Mollusca. Mollusca is the phylum that has a green circle. Organisms in this phylum are closely related to Arthropoda, and Annelida. As you can see, if you go farther down their ancestry, you can see they all come from the same roots.

Who are the main predators of the dumbo octopus?

As there are few large predators in the deep sea, dumbo octopuses’ primary predators are diving fishes and marine mammals, including tunas, sharks, and dolphins. Due to their preference for extreme depths, they are only very rarely captured in fishing nets and are probably not threatened by human activities.

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