A-z - Animals

Sperm Whale vs. Giant Squid: Who Will Win the Battle?

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When we talk about epic battles between animals, we usually picture a lion over a very powerful elephant, or a big cat over a crocodile. However, one of the most surprising battles may take place in the depths of the ocean. Incredibly, that battle was that of a sperm whale versus a giant squid.

So, what makes this fight so unusual? Well, that's true in terms of their similarities, even though they share the same habitat. These animals are completely different. They vary widely in weight, one can bite and one cannot, and they prey differently. Still, it proved to be one of the most unusual and fascinating deep-sea battles.

Giant squid compared to sperm whales

Sperm whales are relatively quiet animals, preferring to spend most of their time deep underwater searching for food. Although giant squid are ambush predators, they rarely come into contact with humans and remain deep underwater.

Sperm whales are much larger and have much larger teeth than giant squid. Surely this would immediately give them a huge advantage? Well, let's compare the sperm whale and the giant squid so we can find out who has the advantage and who will win the battle.

Check out the table below for some key differences.

giant squid sperm whale
size 30 to 40 feet long up to 600 lbs 60 to 70 feet long up to 90,000 lbs
Habitat In the twilight zone of most oceans (depths between 1,000 and 2,000 feet) deep sea around the world
teeth Sharp beak and tongue full of small sharp teeth 20 to 26 teeth on each side of the lower jaw
diet Fish, Shrimp, and Other Squids fish, shark, ray, squid
predator Sperm Whale, Pilot Whale, Sleeper Shark Orca, Pilot Whale, False Killer Whale
speed Estimated up to 25 mph Bursts up to 23 mph
hunting tactics Grasp with two tentacles and lock with suction cup Uses echolocation to find prey, then sucks it in and swallows it
life about 5 years about 70 years

6 Key Differences Between Sperm Whales and Giant Squids

funny animal sperm whale
The blowhole of the sperm whale is located on the left side of the head, which is rare in cetaceans.

© Martin Prochazkacz/Shutterstock.com

Sperm Whale vs Giant Squid: Size (H3)

Sperm whales are huge whales, between 60 and 70 feet in length, with males being larger than females. Giant squid are the second largest squid in the world (only the giant squid is bigger), measuring between 30 and 40 feet in length including their tentacles. However, despite their incredible lengths, there is a huge difference in weight. Giant squid can only reach a maximum of 600 pounds, while sperm whales can outweigh them by as much as 90,000 pounds. Advantage: Sperm Whales

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Sperm Whale vs Giant Squid: The Look

Sperm whales are large whales, most of their body size is taken up by their huge heads, which can reach up to a third of their entire length. They are dark gray and have small flippers. They have a small, usually rounded dorsal fin and a triangular-shaped caudal fin. They are particularly unusual in that their blowhole is not in the center of the head, but rather to the left.

The giant squid has large eyes, a beak, eight arms and two tentacles. Their tentacles are the largest of all squid and are even longer than those of giant squid. Each arm and tentacles are covered with hundreds of suction cups lined with extremely sharp rings. They attach these suckers to their prey to prevent them from escaping. Advantage: giant squid

Sperm Whale vs Giant Squid: Teeth

Sperm whales have between 20 and 26 teeth on each side of their lower jaw. However, they have no upper teeth because they rarely descend below the gum line. Instead, their lower teeth fit neatly into sockets in the upper jaw. This means that they cannot bite their prey, but instead rely on suction to suck it into their mouths.

The giant squid has a sharp, parrot-shaped beak and a tongue flanked by rows of tiny, sharp teeth. They use their beaks and teeth to break their prey into small pieces for swallowing. Advantage: giant squid

Sperm Whales and Giant Squids: Diet

The diet of giant squid consists mainly of fish, shrimp, and other squid. Giant squid are often cannibalistic, and they often prey on other giant squid.

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Sperm whales eat between 3 and 3.5 percent of their body weight each day. Their diet includes deep-sea fish, sharks, rays and squid, and the sperm whale's popular food is actually giant squid. Advantage: Sperm Whales

Sperm Whales vs Giant Squids: Hunting Strategies

Sperm whales often dive to the deepest depths of the ocean in search of food. Very little light penetrates the deepest parts of the ocean, so sperm whales rely on echolocation to find prey. As we already mentioned above, although sperm whales have teeth, they cannot actually bite their prey. Instead, they rely on suction to draw their prey into their mouth so they can swallow it whole.

Giant squid are ambush predators, waiting for prey to approach them. Once their prey get close enough, giant squids swoop in and grab them with their two tentacles. After they grab their prey, they use the suction cups on their arms to hold them so they cannot escape. Advantage: giant squid

Sperm Whale vs Giant Squid: The Predators

Sperm whales have only a few predators. These are orcas, pilot whales and false killer whales, although male sperm whales are large and don't have many predators. Natural enemies of giant squid are sleeper sharks, pilot whales and sperm whales.

giant squid
Giant squid can reach 40 feet in length

© sciencepics/Shutterstock.com

Who would win in a battle between a sperm whale and a giant squid?

Given that giant squid are on the menu for sperm whales, sperm whales tend to win battles with giant squid. The giant squid did not go down easily, however, and put up a valiant fight with the much larger and heavier sperm whale. This is evidenced by the scars often seen on sperm whales by giant squid tentacles. The giant squid attaches its sucker to the sperm whale, which leaves a ring-shaped scar. These scars are often found on the heads of sperm whales, suggesting that giant squid are not an easy meal for sperm whales. Not only that, but the beak of a giant squid (which is difficult to digest) was found in the stomach of the sperm whale.

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Since sperm whales use suction to draw prey into their mouths rather than bite and incapacitate them, it can be assumed that giant squid use their arms and tentacles to try to prevent this from happening and save themselves. After all, it must be pretty hard for a sperm whale to suck something 40 feet into its mouth! In the end, however, the size and strength of the sperm whale gave it the greatest advantage and ultimately won the battle.

FAQ's (Frequently Asked Questions) (H2)

How deep can a sperm whale dive?

Sperm whales can dive to depths of about 10,000 feet and stay underwater for up to 90 minutes before needing to surface again to breathe.

Are Sperm Whales Dangerous to Humans?

No, sperm whales are generally not a danger to humans. They prefer to spend their time in deep water looking for food.

Are giant squid dangerous to humans?

While there are legends of giant squid attacking ships and sailors, the truth is that they are not dangerous to humans. Instead, they spend their lives in deep water far below boats or divers. That's not to say they're technically incapable of causing harm to humans. However, Humboldt squid are considered the most dangerous squid, with several reports of them attacking and eating divers.

What animal could beat a sperm whale?

megalodon jaw
These megalodon jaw fossils offer a glimpse into the power of these creatures.


Sperm whales may be the largest top predator on Earth today, but that wasn't always the case. Millions of years ago, Earth was full of gigantic creatures that would have made sperm whales look tiny in comparison. A case in point is the megalodon, a gigantic shark that was one of the most fearsome predators of the ancient seas. At 67 feet in length and 50 tons in weight, the megalodon was larger than any shark alive today and larger than a modern sperm whale. In addition, their jaws have an astonishing bite force of 100,000+N, which can definitely obliterate opponents. Today's sperm whales simply don't have adequate defense mechanisms to withstand such brute force, and would eventually lose if faced with a megalodon in a fight.


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