How Big is the Biggest Octopus?

How big is the Biggest Octopus? Can you own a Giant Pacific Octopus? What to do if an Octopus grabs you?
how big is the biggest octopus
Image by Taken from Pixabay

Octopuses are soft-bodied eight-limbed beautiful organisms with the scientific name Octopoda and belong to the phylum Mollusca. In this article, we will discuss the anatomy of the biggest octopus. The octopuses have three hearts; two of the hearts help to move blood in their gills. The name octopus is derived from the Greek word oktopus, meaning eight foot. It has a pigment named tyrosinase, which can cause blindness. They have a blue color and copper-based blood. So, without wasting any time, let’s learn more about the biggest octopus and the largest octopus along with the Giant Pacific Octopus facts in detail.

1. Which is the Largest Octopus Ever?

how big is the biggest octopus 2
Image by Vlad Vasnetsov from Pixabay

The giant Pacific octopus is the largest of all the octopus species. Its scientific name is Enteroctopus dofleini. They feed on small fishes and they can even prey on the spiny dogfishes. Octopuses are found in almost every ocean. They are found abundant in warm and tropical waters. Mostly, they are found in the Western American borders, Alaska, Japan, Russia, and Korean Peninsula. They are listed as species of the least concern by IUCN, and their population is also unknown. (See What does a Kraken Look Like?)

2. How big is the Biggest Octopus? Giant Pacific Octopus Size and Weight

This biggest octopus is very large in size and it can even prey on small sharks. It is larger than the Seven-Arm Octopus, which is around 11 feet large and has a maximum weight of 165 lb.

A few of the Giant Pacific Octopus facts are:

  • The Giant Pacific Octopus is the biggest octopus in the world.
  • This biggest octopus is around 15 feet long. It has an approximate size of 150 lb.
  • They feed on small fishes, shrimps, crabs, lobsters, spiny dogfishes, and many more. Must read about the 10 Interesting Facts About Sea Lions.

3. What is Giant Pacific Octopus size compared to Human?

The average octopus size ranges from 9.75 feet to 16 feet, but the normal human size can be around 6 feet tall. (See What’s Bigger Crocodile Or Alligator?)

4. What is Giant Pacific Octopus Lifespan?

The octopuses have a smaller life cycle compared to other organisms. The maximum life cycle of any species of octopus is between 3 and 5 years. One of the Giant Pacific Octopus facts is that the giant Pacific octopus also has a maximum life of 3 to 5 years. (See What Are Shark Teeth Made Of?)

5. Which is the Largest Octopus in Captivity?

The Giant Pacific Octopus is the largest octopus in captivity. It has a height of 15-16 feet and a weight of around 59 kg. They are basically found in shallow tidal pools. It is a reddish-brown octopus that has around 250 suckers on each arm. (See Are Sand Dollars Rare?)

6. The 10 Largest Octopuses in the World

how big is the biggest octopus 3
Photo by Pia

The ten largest octopuses in the world are:

  • Giant Pacific Octopus: It is the biggest species of octopus.
  • Seven-Arm Octopus: They have a unique arm used for egg fertilization by males.
  • Frilled Giant Pacific Octopus: They are found around the southern coast of Alaska and this species is a sister taxon of our biggest octopus called the Giant Pacific Octopus.
  • Maori Octopus: Its size ranges from 22 to 26.5 lb. These are aggressive species of octopus.
  • Southern Giant Octopus: They are found on the coasts of Namibia and South Africa.
  • Common Octopus: Its size varies between 6.6 and 22 lb. They can be found all around the world.
  • Mimic Octopus: Its average length is two feet long. They can mimic the structure of other organisms.
  • Yellow Octopus: These octopuses are found around New Zealand. It is of yellow color.
  • Southern Red Octopus: They have a size of around 8.8lb. They are of dark red color.
  • Dumbo Octopus: It is 7.9 to 12 inches long, and its large fins resemble the elephant’s ear. Also, check out the list of names for groups of animals.

7. Can you own a Giant Pacific Octopus?

No, you cannot pet a Giant Pacific Octopus because it is a highly intelligent octopus that can escape very easily. So, you cannot pet it easily.

8. Can a Giant Octopus eat a Human?

Yes. Although it is rare, the Giant octopus can attack you and may even kill you. (See Slug Vs Snail)

9. What to do if an Octopus grabs you?

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Photo by Diane Picchiottino on Unsplash

If it’s a giant octopus or the biggest octopus, keep putting pressure on its arm. You can also follow some other measures:

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