Animals in Southern Ocean

Updated: January 24, 2023
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Below you can find a complete list of Southern Ocean animals. We currently track 49 animals in Southern Ocean and are adding more every day!

Southern Ocean Animals

Adélie Penguin

Eats up to 2kg of food per day!


The largest wingspan of any bird in the world!

Antarctic Scale Worm

Similar in length to a rat or squirrel

Blue Whale

The largest animal on Earth

Chinstrap Penguin

There are 7 million breeding pairs!

Cobia Fish

It has teeth not only in its jaws but in its tongue and the roof of its mouth


Cockles live quite long; their lifespan usually ranges from 5 to 10 years in the wild.

Colossal Squid

Can survive eating a single fish for months

Cookiecutter Shark

The cookiecutter shark takes its name because it leaves a cookie-shaped bite hole in its prey.

Crappie Fish

The crappie is one of the most popular freshwater fish in North America.


Found throughout the world's oceans!

Eagle Ray

Majestic underwater bird like fish

Emperor Penguin

The world's largest species of penguin!

False Killer Whale

The false killer whale looks like a cross between a dolphin and orca!

Fin Whale

Found throughout ocean waters worldwide!


Respire through the gills on their heads!


There are more than 240,000 different species!

Garden Eel

Garden eel colonies are made up of hundreds to thousands of individuals.

Gentoo Penguin

Found throughout the sub-Antarctic!

Gulper Eel 

Gulper eels have a similar lifespan to humans and can live up to 85 years old. However, their age depends on their habitat and the availability of food.

Humboldt Penguin

Found on the South American coast!

Immortal Jellyfish

Excellent hitchhiker on long-trip cargo ships

John Dory

The John Dory is often labeled one of the ugliest fish in the world and has no known relatives.

Killer Whale

Typically consumes over 200 kg of food a day!

King Crab

Can have a leg span of nearly 2 meters!

King Penguin

More than 2 million breeding pairs!


The krill is perhaps the most important animal in the marine ecosystem!

Leopard Seal

The world's most aggressive seal species!


The Livyatan had 1 to 1.2 foot long, interlocking teeth

Macaroni Penguin

Gather in colonies of up to 100,000 members!


Nematodes range in size from 1/10 of an inch to 28 feet long


They get toxins from their prey to use it against predators.


Spends 75% of it's time hunting for food!


They float with the current.

Rockhopper Penguin

There are 3 different species!

Royal Penguin

Can reach speeds of 20mph!

Sea Eagle

The sea eagle tends to mate for life with a single partner


Some gulls are capable of using tools


There are 30 different species worldwide!

Sei Whale

This whale is one of the fastest of the cetaceans


No shark species has any bones in their bodies


There are 2,000 different species worldwide!

Sleeper Shark

The Greenland shark is one of the longest living vertebrates in the world.


There are nearly 1,000 different species!


There are more than 9,000 known species!


Some species are known to have 10 arms!


Some species of aquatic turtles can get up to 70 percent of their oxygen through their butt.


Viperfish have a bioluminescent spine on their dorsal fin.

Wandering Albatross

Featured in “The Rime of the Ancient Mariner”

Southern Ocean Animals List

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About the Author

AZ Animals is a growing team of animals experts, researchers, farmers, conservationists, writers, editors, and -- of course -- pet owners who have come together to help you better understand the animal kingdom and how we interact.