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Octopus Quick Facts
Name: Octopus
Scientific Name: Octopus dofleini
Origin It is usually found in the Pacific Ocean. It was recorded in Alaskan Aleutian Islands and Baja California.
Colors Reddish brown or dark red
Shapes Compressible; Radius: 9.6 m
Flesh colors White
Calories 139 Kcal./cup
Major nutrients Vitamin B-12 (1275.00%)
Selenium (138.55%)
Iron (101.38%)
Copper (69.78%)
Isoleucine (65.97%)
Health benefits Treats cancer, Formation of hemoglobin, Supports growth, Hair benefits, Kidney ailments
Octopus dofleini (genus Enteroctopus) are the octopus species which are found in rocky areas, kelp forests and caves in the Pacific Ocean. It could be identified reddish brown or dark red skin. They have eight arms of 6 feet with each arm having 280 suckers. The center of the arms consists of beak and radula which is a toothed tongue. The body is compressible and 9.6 m in radius. It is cool-blooded or poikilothermic having three hearts and blue blood. Mantle is spherical that consists of major organs of this animal. Octopus is able to change the skin’s color by adapting the environment due to the presence of tiny pigments called chromatophores. It prefers cold and oxygenated water. They hunt shrimp, scallops, crabs, clams, moon snails, abalones, small octopus, flatfish, rockfish and sculpins for the food. It is the prey for seals, dogfish sharks, sea otters, man, lingcod, sea lions, seals, sea otters, larger octopuses and fish. It has lifespan of 4 to 5 years. Other common names of Octopus dofleini are North Pacific giant octopus, Giant Pacific octopus, Giant octopus, Poulpe géant and Pulpo gigante.


It is usually found in the Pacific Ocean. It was recorded in Alaskan Aleutian Islands and Baja California. It is extended in Northeast of Japan. The name octopus was kept by Ancient Greeks which means eight foot. It was illustrated on Minoan and Cretan coins and painted on jars in Mycenaenera. Around 300 million years ago, the ancestors of octopus were on Carboniferous seas. The oldest fossil of octopus was found in Chicago of Field Museum. It is distributed to coastal North Pacific in Washington, Oregon, California, Alaska, British Columbia, Northern Japan, Russia and Korea.

Nutritional value

About 85 grams of cooked octopus offers 51.42 g of moisture, 139 calories, 25.35 g of protein, 1.77 g of total lipid fat, 2.72 g of ash and 3.74 g of carbohydrate. It also offers 1275% of DV of Vitamin B12, 138.55% of Selenium, 101.38% of Iron, 69.78% of Copper, 65.97% of Isoleucine, 64.55% of tryptophan, 61.99% of threonine, 56.64% of lysine, 52.46% of valine, 50.70% of protein, 48.27% of leucine, 42.38% of Vitamin B6, 39.53% of histidine, 33.86% of phosphorus, 26.07% of sodium, 26% of zinc, 20.08% of niacin, 15.30% of vitamin B5, 12.51% of Choline, 12.14% of magnesium, 11.40% of potassium and 10.86% of Vitamin A.

Health Benefits of Octopus

Octopus does not have hard shell and belongs to mollusk family which also includes oysters, mussels, clams, nautilus and squid. It is vital in Mediterranean dishes and regarded as delicacies. It has high content of Omega-3 fatty acids that helps to lower the chances of stroke and heart attack. It promotes the cardiovascular health and stimulates cognitive health. It has low content of saturated fat which assists in losing weight.

  1. Treats cancer

The deficiency of Vitamin B12 is the cause for breast cancer. It could be prevented by the intake of food rich in vitamin B12. (1)

  1. Formation of hemoglobin

Iron is vital for the hemoglobin formation. It helps to provide the shade of red to the blood. It assists to transport oxygen to the cells of the body. As human beings lose blood in injuries, the extra hemoglobin is essential. During menstruation, women lose blood so they have high chances to suffer from anemia. (2) (3)

  1. Supports growth

Copper is vital for the growth of the body. It helps to prevent nervous, skeletal and cardiovascular systems. The deficiency of copper obstructs in the oxygenation of red blood cells. (4)

  1. Hair benefits

Protein is essential to maintain the healthy hair and also to prevent from damages. The study shows that protein has vital role in the growth of hair.  Due to these benefits, it is used for the production of conditioners. (5) (6

  1. Kidney ailments

Vitamin B6 controls the fat level found in the human heart. That helps to prevent various cardiac problems. It also prevents the formation of kidney stones and maintains the good shape of kidneys. (7)

  1. Brain health

Phosphorus is vital for the cells of brain as well as its functions. The adequate amount of phosphorus enhances the brain functions and cognitive development. The deficiency of phosphorus increases the chances of cognitive malfunction as well as dementia. (8)

  1. Source of energy

Niacin assists in the functions of converting the carbohydrate, proteins and fats into energy. (9)

  1. Reduce stress

Vitamin B5 helps to treat mental ailments such as depression, anxiety and stress. It stimulates the mind fitness and regulates hormones that cause these conditions. (10)

  1. Lowers migraine

The supplements of magnesium help to lower the attacks and severity of migraine along with the reduction of recurrence. (11)

  1. Balance pressure

It is essential to maintain balance in blood pressure. It lowers the chances of hypertension and heart ailments. It has vasodilator properties which provide relief from the tension of blood vessels. (12)


  • One should be careful while eating seafood.
  • Doctor’s consultancy is needed for the people with health problems.

How to Eat         

  • It is dressed with lemon, olive oil, capers, minced garlic and herbs.
  • It is grilled as well as poached.

Other Facts        

  • The World record made by Octopus dofleini weighs 136 kg (300 lb) having arm span of 9.8 m (32 ft).
  • Beak is the hardest part of octopus.
  • The color of octopus blood is green or blue.
  • It is considered as intelligent invertebrates.
  • They are also called chameleons of the sea as they are able to change the skin’s color and texture.
  • Beak is made up of keratin which also forms fingernails.
  • About 90%, they are made of muscle.
  • Giant Pacific Octopus is the largest octopus of the world.
  • They have three hearts.
  • They have the ability to regrow its arms.
  • One sucker of Giant Pacific Octopus can lift 35 pounds (16 kilograms) of weight.
  • In Korea, Octopus is eaten alive.
  • It has got great eyesight as well as sense of touch.

Octopus facts

They are soft bodied with no bones. The mantle of bag shaped consists of internal organs and has the color of reddish brown. The head is huge and bulbous and colors from reddish to brown. They have got eight arms with each having 280 suckers having thousands of chemical receptors. It also has special pigment cells in the skin that assist them to change their color as well as textures. It fusions well with plants, corals and rocks. They usually hunt at night. When it is threatened, it releases purple to black ink to escape from predators. Female lays about thousands of eggs which breed for almost six months.

Name Octopus
Scientific Name Octopus dofleini
Native It is usually found in the Pacific Ocean.
Common/English Name North Pacific giant octopus, Giant Pacific octopus,  Giant octopus, Poulpe géant, Pulpo gigante
Name in Other Languages Finnish: Jättiläistursas;
French: Poulpe géant;
German: Krake, Pulpo;
Italian: Polpo del Pacifico;
Japanese: Mizo dako, Mizudako;                             
Spanish: Pulpo gigante, Pulpo gigante de Pacífico
Habitat Cool-blooded or poikilothermic
Found Rocky areas, kelp forests, caves
Lifespan 4-5 years
Prey Shrimp, scallops, crabs, clams, moon snails, abalones, small octopus, flatfish, rockfish, sculpins
Predators Seals, dogfish sharks, sea otters, man, lingcod, sea lions, seals, sea otters, larger octopuses, fish
Spawning Winter months
Shape & size Compressible; Radius: 9.6 m
Color Reddish brown or dark red
Weight 272 kg
Arms size 6 feet
Flesh color White
Major Nutritions Vitamin B-12 (Cobalamine) 30.6 µg (1275.00%)
Selenium, Se 76.2 µg (138.55%)
Iron, Fe 8.11 mg (101.38%)
Copper, Cu 0.628 mg (69.78%)
Isoleucine 1.103 g (65.97%)
Tryptophan 0.284 g (64.55%)
Threonine 1.091 g (61.99%)
Lysine 1.894 g (56.64%)
Valine 1.108 g (52.46%)
Protein 25.35 g (50.70%)
Health Benefits
  • Treats cancer
  • Formation of hemoglobin
  • Supports growth
  • Hair benefits
  • Kidney ailments
  • Brain health
  • Source of energy
  • Reduce stress
  • Lowers migraine
  • Balance pressure
Calories in 3 oz (85 gm) 139 Kcal.
  • Seafood should be carefully eaten.
  • Consult doctor for use.
How to Eat
  • It is dressed with lemon, olive oil, capers, minced garlic as well as herbs.
  • It is also grilled and poached.
Other Facts
  • The World record weighs 136 kg (300 lb) with arm span of 9.8 m (32 ft).
  • Beak is considered as the hardest part.
  • The color of blood is either green or blue.
  • They are intelligent invertebrates.
  • They are able to change the skin’s color and texture.
  • It is the largest octopus of world.
  • They have three hearts.
  • It has got great eyesight and sense of touch.











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