Walrus size compared with elephant seal

Leopard Seal Size Explained & Compared With Others

Last Updated on April 11, 2023 by Amin Tawar

Leopard Seal Length/Height

Leopard Seal Size

Did you know that measuring up to the size of a small car, the leopard seal is a formidable predator of the Antarctic seas? 

Leopard seals are large predatory seals that are native to the Antarctic and sub-Antarctic regions. Also, they are known for their distinctive leopard-like spots on their coats and their aggressive behavior. They are considered one of the top predators in their ecosystem.

When it comes to size in terms of their length, adult leopard seals can grow to be quite large, with lengths ranging from 2.4 to 3.5 meters (8 to 11.7 feet). 

However, the size can vary considerably depending on the sex and age of the animal. Females tend to be slightly larger than males, and adult seals can be up to 40% larger than juveniles.

Leopard Seal LengthCentimeter Feet 
Male Length 2.8 to 3.3 m9.1 to 10.7 ft.
Female Length2.9 to 3.5 m8.45 to 11.7 ft.

Leopard Seal Weight

With its formidable bulk and powerful jaws, the leopard seal is one of the most formidable predators in the Antarctic waters, capable of taking on prey much larger than itself.

The Leopard seals are massive aquatic creatures that have an average weight of about 300 kg (660 lbs) in the case of males and 260 kg (572 lbs) in the case of females.

Generally, male Leopard seals are not that heavier than their female counterparts. However, both of these can have a record weight of up to 600 kg (1,300 lbs), which is almost double their average weight. 

Leopard Seal WeightKilograms Pounds 
Female260 – 500 kg572 lbs – 1,100 lbs
Male Up to 300 kg660 lbs.

Leopard Seal Teeth Size

With teeth as sharp as razors and as strong as steel, the leopard seal’s jaws are a formidable weapon in the icy waters of the Antarctic, which is capable of crushing through the thick shells of its prey. 

The leopard seal’s teeth are specially adapted for hunting in its cold, harsh environment. They are large and sharp, with serrated edges that allow them to easily tear through the tough skin and blubber of their prey. 

These teeth are also very strong, able to withstand the immense pressure exerted by crushing through the shells of clams and other hard-bodied prey.

As a result, the Leopard seals have teeth larger than 2.5 cm (1 in) long. 1

Leopard Seal Head Size

Moving on, have you ever thought of the size of the head of any creature such as the Leopard seal, and how large it could be? 

Quite interestingly, the size of the head of the Leopard seal plays a functional role for the Leopard seal, as it houses powerful jaw muscles and a large brain, which allows for strong biting force and sophisticated hunting tactics.

The leopard seal’s head is relatively large in proportion to its body, and its size can vary depending on the individual animal and its sex. 

Adult males typically have smaller head sizes than adult females. The average head size of a full-grown leopard seal is around 1 meter (3.3 feet) in length, although some individuals can be larger or smaller than this. 

Additionally, their head is also quite broad, with a distinct, elongated snout that gives it a characteristic, leonine appearance.

Leopard Seal Baby Size

Now that we have discussed a lot about adult Leopard seals right from their body size to their teeth and head size, let’s have a closer look at the size of their young ones. Tiny but mighty, leopard seal pups enter the world as miniature versions of their parents. 

Leopard seal pups are born on the pack ice surrounding Antarctica, typically in the months of November and December. 

At birth, they are fully furred and able to move around on their own. As they grow, leopard seal pups undergo a remarkable transformation. They grow quickly, gaining weight and size at a rapid pace. 

Within just a few months, they can reach lengths of up to 1.5 meters (4.9 feet) and weigh as much as 80 kg (176 lbs). 

This rapid growth is necessary for survival in the harsh Antarctic environment, where food can be scarce and competition for resources is fierce. Despite their small size at birth, leopard seal pups are fully capable of fending for themselves from day one. 

Leopard Seal Size Compared To Human

Leopard Seal Size compared with human

To put in perspective, it is always better to imagine and understand the size of a species by comparing it with the size of a known species. In this case, let’s look at the size of Leopard seal with respect to an average sized adult human. 

The leopard seal’s size is truly impressive and can be difficult to comprehend, especially when compared to the average human. 

An adult leopard seal can reach lengths of up to 3 meters (9.8 feet) and weigh as much as 600 kg (1,320 lbs). 

To put that into perspective, that’s about the size of a small car, and more than 25 times the weight of an average adult human.

Animal type Length Weight 
Leopard seal 2.4 to 3.5 meters (8 to 11.5 feet)200 – 600 kg (500 – 1,300 lbs)
Average adult human 5.5 to 5.9 feet132 to 176 pounds (60 to 80 kgs)

Leopard Seal Size Vs Sea Lion Size Comparison

Leopard Seal Size compared with sea lion

As the majestic leopard seal gracefully glides through the icy Antarctic waters, one may be surprised to learn that it is not the largest predator in its aquatic environment. 

In fact, the leopard seal, known for its distinct spotted coat and fierce hunting tactics, is significantly larger and heavier in size compared to its southern hemisphere counterpart, the sea lion.

While the Leopard seal has an average length of 2.4 to 3.5 meters (8 to 11.5 feet) and a weight of 200 – 600 kg (500 – 1,300 lbs). On the other hand, the Sealion is 7 feet for males and 4 feet for females in length and 400 and 1,000 pounds in weight. 

Animal type Length Weight 
Leopard seal 2.4 to 3.5 meters (8 to 11.5 feet)200 – 600 kg (500 – 1,300 lbs)
Sea lionMale – 7 feet 
Female – 4 feet
400 and 1,000 pounds

Leopard Seal Vs Orca Size Comparison

As the leopard seal emerges from the depths of the Antarctic waters, its powerful jaws and spotted coat strike fear into the hearts of its prey. 

But little do they know, the true apex predator of these icy waters is not the leopard seal, but rather the infamous killer whale, also known as an Orca. 

Leopard seals can grow up to 2.4 to 3.5 meters (8 to 11.5 feet) long and weigh up to 200 – 600 kg (500 – 1,300 lbs). They are the second largest predator in the Antarctic, after the Orca. 

In contrast, Killer whales, also known as Orcas, can grow up to 6 to 8 meters (20 to 26 ft) long and weigh up to 6 metric tons (13,000 pounds). This makes them much larger than the leopard seal, as they are not only larger in length but also significantly heavier.

Animal type Length Weight 
Leopard seal 2.4 to 3.5 meters (8 to 11.5 feet)200 – 600 kg (500 – 1,300 lbs)
Orcas6 to 8 meters (20 to 26 ft)6 metric tons (13,000 pounds)

Leopard Seal Vs Elephant Seal Size Comparison

Finally, have you ever wondered how large or small the Leopard seal is compared to the Elephant seal? Like the elephants that you would have seen in the wild forest during your safari, the elephant seals are much larger and heavier. 

For instance, the Leopard seal is 2.4 to 3.5 meters (8 to 11.5 feet) in length and 200 – 600 kg (500 – 1,300 lbs) in weight. 

Contrarily, the Southern elephant seal is 4.2 to 5.8 m (14 to 19 ft) in length and 1,500 to 3,700 kg (3,300 to 8,200 lb) in weight for males and 2.6 to 3 m (8.5 to 9.8 ft) in length and 350 to 900 kg (770 to 1,980 lb) in weight for females. 

So, the Southern elephant seal is much larger and heavier than the Leopard seal. 

Animal type Length Weight 
Leopard seal 2.4 to 3.5 meters (8 to 11.5 feet)200 – 600 kg (500 – 1,300 lbs)
Southern Elephant sealMale – 4.2 to 5.8 m (14 to 19 ft)
Female – 2.6 to 3 m (8.5 to 9.8 ft)
Male – 1,500 to 3,700 kg (3,300 to 8,200 lb)
Female – 350 to 900 kg (770 to 1,980 lb)


And that was everything you need to know about the size of Leopard Seal. I hope this article was informative enough and your queries were answered.

Thank You For Reading!

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