Domitrius Barkwood

Updated On:

What Do Giant Pacific Octopuses Eat [Diet & Facts]

Heartgard Plus Chewables For Medium Dogs 26-50lbs (Green) 12 Doses

As an Amazon Associate I earn from qualifying purchases.

You can spot Giant Pacific octopuses in many places along the North American coast, from southern California to Alaska. 

They’re the biggest octopus species out there, and they can get huge! On average, they weigh about 15 kg (33 lb), but some can weigh as much as 75 kg (165 lb)! 

The biggest one ever recorded was over 9 m (30 ft) across and weighed more than 600 kg (1,300 lb)!

These octopuses are special. They have eight arms, just like other octopus species, but they also have two extra “legs” called parrotfish beaks. 

They use these beaks to help them move around on the ocean floor. They’re also super smart. 

They’ve been known to escape from aquarium tanks and solve tricky puzzles! You can’t keep them locked up for too long because they’ll get bored and find a way to break out.

As one of the largest octopus species in the world, they live in the deep parts of the Pacific Ocean, where they’re really important for keeping the marine ecosystem balanced. 

In this blog post, we’ll talk about what Giant Pacific octopuses eat, what their babies eat, how they hunt, and where they live. 

Plus, we’ll share some cool facts about them. So, let’s get started and learn more!

What Do Giant Pacific Octopuses Eat All Year-Round?


Giant Pacific octopuses, notable for their impressive size and presence in the Pacific Ocean, are versatile hunters with a diverse palate. 

They’re not picky eaters; rather, they seize opportunities for a varied diet.

Their meals often consist of a range of crustaceans like crabs, shrimp, and lobsters, which they expertly hunt down using their muscular arms. 

Mollusks like clams, mussels, and snails are also part of the octopus’s diet, and despite their sturdy shells, they’re easily cracked open by the octopus’s strong beak.

Additionally, small fish like herring, salmon, and rockfish are a significant part of their diet, caught with stealth and agility.

In their quest for sustenance, Giant Pacific octopuses may also target other crustaceans like barnacles and krill, along with various invertebrates including sea urchins and jellyfish.

They’ve even been known to scavenge on larger carcasses, using their strong beaks and rasping radula to access the soft flesh within shells.

Adaptable predators, their diet shifts according to prey availability, habitat, and individual preferences. 

Their keen intelligence aids in problem-solving and learning, making them formidable hunters in the underwater realm.

Here is a complete list of food Giant Pacific Octopuses

  • Shrimp
  • Crayfish 
  • Scallops
  • Oysters Salmon (juvenile)
  • Rockfish
  • Sole Cuttlefish
  • Smaller octopus species 
  • Sea urchins 
  • Worms 
  • dead or decaying marine animals

What Do Baby Giant Pacific Octopuses Eat?

Baby Giant Pacific Octopuses are hungry little creatures, just like the grown-ups! They eat a lot to grow quickly. 

Even though they’re small, their meals are similar to what adult octopuses eat. They love munching on tiny shrimp, small crabs, and little lobsters

These little creatures give them the important stuff they need to grow big and strong.

Besides crustaceans, baby octopuses also snack on small fish babies, fish eggs, and other tiny sea critters that they can handle. 

These extra snacks help them stay healthy and full of energy.

Baby Giant Pacific Octopuses eat almost the same things as adults, just in smaller portions because they’re still growing. 

As they get bigger and better at catching food, they’ll start eating a wider variety of yummy treats.

How Do Giant Pacific Octopuses Hunt?

Giant Pacific octopuses are smart hunters. They use their strong bodies and brains to catch their food in clever ways. They’re super sneaky too! 

They can change the color and texture of their skin to blend into their surroundings, so other animals don’t even see them coming. 

When it’s dark, they find good hiding spots and wait for prey to swim by. Then, they use their eight strong arms with suction cups to grab them. 

They can move fast through the water using a jet propulsion system. 

And when they catch something with a hard shell, like a crab, they have special tricks to open it up and get to the tasty part inside. 

With all these cool skills, Giant Pacific octopuses can catch lots of different kinds of food, like crabs, fish, and sometimes even small sharks!

Where Do Giant Pacific Octopuses Live: The Habitat of Giant Pacific Octopus

Giant Pacific octopuses live in a huge part of the Pacific Ocean, stretching from Mexico to Alaska, and over to Japan and Korea. 

They’re pretty adaptable, able to hang out in different parts of the ocean, from near the shore to way down deep, like super deep, around 2,000 meters. 

But even though they can handle deep water, they usually like it better in shallower spots, especially around 16 meters deep. 

They prefer cooler temperatures, around 60 degrees Fahrenheit or colder, and they like places with lots of oxygen and nutrients. 

Their favorite spots are rocky reefs, kelp forests, tide pools, and underwater caves, where they can find plenty of hiding spots to make their homes out of rocks, shells, and stuff they find lying around.


Interesting Facts About The Giant Pacific Octopuses

1. Smart and Clever: Giant Pacific Octopuses are smart. They can solve problems and figure things out by learning from their experiences. 

They’re also great at adapting to new situations, which helps them survive and hunt for food.

2. Masters of Hiding: These octopuses are experts at blending in with their surroundings.

They can change the color and texture of their skin to match the environment, making them almost invisible to predators and helping them sneak up on their prey.

3. Big and Strong: Giant Pacific Octopuses are the largest kind of octopus. Some of them have arms that stretch out to 20 feet long, and they can weigh over 100 pounds!

4. Short Lives: Despite being big and smart, these octopuses don’t live very long. They usually only survive for 3 to 5 years in the wild. 

After they have babies, the moms take care of the eggs until they hatch, but then they usually pass away.

5. Tricky Love Lives: When it comes to finding a mate, giant Pacific octopuses have a complicated process. 

The males do fancy dances and displays to impress the females. After they mate, the males often die, while the females look after the eggs.

6. Great Hunters: These octopuses are good at catching their prey. 

They use their speed, flexibility, and strength to grab all sorts of sea creatures like crabs, fish, and even other octopuses.

7. Amazing Healing Powers: If a giant Pacific octopus loses an arm, it’s not a big deal.

They can grow it back! They might even detach their arm to distract a predator and then regrow it later.

8. Sometimes Social: Even though octopuses usually keep to themselves, the giant Pacific ones sometimes hang out together. 

They might have disagreements or mate with each other, showing that they can be social creatures too.


To sum up, the Giant Pacific Octopus is still amazing and impressive because of how it’s adapted to its environment and how it behaves. 

When we look closely at what it likes to eat, how it hunts, where it lives, and what makes it special, we can understand and admire this incredible creature even more. 

It’s an important part of keeping our oceans healthy, and studying it helps us appreciate its importance even more.


What crabs do giant Pacific octopus eat?

Giant Pacific octopuses eat various kinds of crabs. They like to feast on creatures like Dungeness crabs, rock crabs, and others they can find in their habitat.

Do giant Pacific octopuses eat sharks?

No, giant Pacific octopuses don’t typically eat sharks. They mainly eat smaller creatures like crabs, fish, and mollusks.
Sharks are usually too big and fast for octopuses to catch and eat.

Do orcas eat giant Pacific octopus?

Yes, orcas do eat giant Pacific octopuses sometimes. Orcas are powerful predators and can hunt a wide range of marine animals, including octopuses.
However, octopuses are not their main food source.

Do octopuses have 3 hearts?

Yes, octopuses have three hearts. Two of their hearts pump blood to their gills to get oxygen, and the third heart pumps oxygen-rich blood to the rest of their body.
It’s one of the fascinating features of these creatures!

Amazon and the Amazon logo are trademarks of, Inc, or its affiliates.