(Flickr/Karen)

9 brains, 3 hearts: Some wild facts about octopuses

Things to know about the giant Pacific octopus, which is naturally found in the waters of the U.S. West coast, the Aleutian Islands and Japan

Mythology and superstition have portrayed octopuses as alien beings or evil creatures dwelling in the terrifying dark depths of oceans.

Little wonder, considering they are a bit unusual.

The giant Pacific octopus has three hearts, nine brains and blue blood, making reality stranger than fiction.

Things to know about the giant Pacific octopus, which is naturally found in the waters of the U.S. West coast, the Aleutian Islands and Japan:

———

NINE BRAINS

A central brain controls the nervous system. In addition, there is a small brain in each of their eight arms — a cluster of nerve cells that biologists say controls movement. This allows the arms to work independently of each other, yet together toward the same goal.

———

THREE HEARTS

That makes sense, considering their bodies are all muscle except for two small plates anchoring their heads, together with a beak used to grasp and bite prey. Two hearts pump blood to the gills. A larger heart that circulates blood to the rest of the body.

———

BLUE BLOOD

The blood of the giant Pacific octopus has a copper-rich protein called hemocyanin that improves its ability to transport oxygen in cold ocean environments.

———

CAMOUFLAGE

They’re able to change their colour and texture to camouflage themselves in the blink of an eye, thanks to a complex system of specialized pigment sacs called chromatophores, nerves and muscles.

———

TOXIC INK

Octopuses have glands that produce a toxic ink which is then stored in large sacs. When the animal is alarmed, it squirts the ink in a powerful jet in one direction that simultaneously propels the animal in the opposite direction, effectively clouding the water to confuse a potential threat while fleeing to safety.

———

LOTS OF SUCKERS

Adult female giant Pacific octopuses have about 280 suckers in each of their eight arms. Males have fewer suction cups because the tip of their third right arm functions as a reproductive organ.

———

THE ULTIMATE SACRIFICE

Giant Pacific octopus mothers sacrifice their lives after laying their eggs in deep-water dens. They live with their eggs for up to seven months without eating, ensuring that streams of oxygen- and nutrient-rich water waft over them. Mothers usually die after their broods hatch.

———

SOURCES: New England Aquarium, Oceana, The Natural History Museum, Monterey Bay Aquarium

———

(Canadian Press)

Like us on Facebook and follow us on Twitter.

Just Posted

Technology allows TNRD residents to see the heat

A new library program allows residents to borrow a thermal imaging camera and check for heat loss

Are you a victim of the thermostat wars?

The battle over the thermostat is quite heated in many households.

Community Income Tax volunteers will be at local libraries to help with tax returns

Lower-income singles and families can take advantage of free tax return service

Local News Briefs: Free Family Day weekend movie at the HUB

Plus an ice fishing derby, a Fancy Schmancy Tea Party, the Million Dollar Bursary is back, and more.

B.C. opioid overdoses still killing four people a day, health officials say

Kamloops, Thompson Cariboo region see an increase in deaths over 2017

VIDEO: Historic night in Red Deer as 2019 Canada Winter Games kicks off

Star-studded Opening Ceremony features athletes from across Canada

Northern B.C. First Nation clan says ancient tools found at pipeline work site

Archeologists from the Smithsonian Institute estimate one of the stones found dates back up to 3500 years

Wilson-Raybould resignation stokes anger, frustration within veterans community

Liberals have had three veterans-affairs ministers — Kent Hehr, Seamus O’Regan and Wilson-Raybould

No Center of Gravity festival in Kelowna this summer: organizers

COG organizers said the hope is to return to the Okanagan in 2020

Eight cases of measles confirmed in Vancouver outbreak

Coastal Health official say the cases stem from the French-language Ecole Jules Verne Secondary

Plecas won’t run in next election if B.C. legislature oversight reforms pass

B.C. Speaker and Abbotsford South MLA says he feels ‘great sympathy’ for Jody Wilson-Raybould

Workshop with ‘accent reduction’ training cancelled at UBC

The workshop was cancelled the same day as an email was sent out to international students

Former B.C. premier Gordon Campbell accused of sexual touching

Accuser went to police, interviewed by Britian’s Daily Telegraph

Most Read