🦑 Giant squid vs Sperm whale 🐋
The giant squid and the sperm whale are about the same size. The sperm whale weighs about 30 times as much as the giant squid.
Getting the animals ready…
| Row | 🦑 Giant squid | 🐋 Sperm whale |
|---|---|---|
| Size They are about the same size. | 35 to 45 ft11 to 14 m1 | 40 to 52 ft12 to 16 m2 |
| Top speed Neither has a checked number yet. | no checked number yet | no checked number yet |
| Weight The sperm whale weighs about 30 times as much as the giant squid. | 2,000 lb907 kg1 | 15 to 45 tons14 to 41 tonnes2 |
| Lives We don't have a checked number for the giant squid yet. | no checked number yet | 60 years60 years2 |
| Eats Both eat meat. | deep-sea fish and some other deep-sea animals | squid, octopus and fish |
| Lives in They can live in the same kind of place. | the deep sea, far below the surface | deep waters of oceans around the world |
Which one? Giant squid or sperm whale
🏁 Who would win the race?
We don't have a checked top speed for the giant squid or the sperm whale yet, so there is no race.
We only race. Real animals mostly avoid each other. A race is the only fair contest: who reaches the tree first, by top speed. Our face-off books compare real numbers, and nobody gets hurt.
9 things to know about Giant squid vs Sperm whale
- The giant squid: A huge animal of the deep sea with long arms and feeding tentacles.
- The sperm whale: The biggest toothed whale, and one of the deepest divers of all.
- They are different kinds of animal. The giant squid is a bug; the sperm whale is a mammal, so it breathes air with lungs and feeds its babies milk.
- The giant squid and the sperm whale are about the same size: 2 against 1.
- The sperm whale weighs about 30 times as much as the giant squid. That is 1 for the giant squid and 2 for the sperm whale.
- Both eat meat. The giant squid eats deep-sea fish and some other deep-sea animals; the sperm whale eats squid, octopus and fish.
- The giant squid lives in the deep sea, far below the surface. The sperm whale lives in deep waters of oceans around the world. They can live in the same kind of place.
- The giant squid: doing fine (Least Concern on the IUCN Red List). 3
- The sperm whale: needs help (Vulnerable on the IUCN Red List). 4
Wow facts
🦑 Giant squid
- A giant squid is as long as a bus, with its tentacles.
- It lives deep in the sea.
- It has no backbone.
🐋 Sperm whale
- Its brain is the biggest of any animal.
- Its spout angles forward and to the left.
- Families of sperm whales have their own click patterns, like a dialect.
Questions kids ask about Giant squid and Sperm whale
Which is bigger, giant squid or sperm whale?
The giant squid and the sperm whale are about the same size: 2 against 1.
Which is heavier, giant squid or sperm whale?
The sperm whale weighs about 30 times as much as the giant squid. That is 1 for the giant squid and 2 for the sperm whale.
What do giant squid and sperm whale eat?
Both eat meat. The giant squid eats deep-sea fish and some other deep-sea animals; the sperm whale eats squid, octopus and fish.
Where do giant squid and sperm whale live?
The giant squid lives in the deep sea, far below the surface. The sperm whale lives in deep waters of oceans around the world. They can live in the same kind of place.
Do giant squid eat sperm whales?
The giant squid eats deep-sea fish and some other deep-sea animals. Sperm whales are not in that list, which comes from its page.
Do sperm whales eat giant squid?
The sperm whale eats squid, octopus and fish, so squid are on its list, which comes from its page.
Who would win, giant squid or sperm whale?
We never show fights, because a fight is not a fair way to compare animals. They can share the same kind of place, and real animals mostly keep out of each other's way. What we can compare is how big, how heavy, how fast, how long they live and what they eat, as above.
📤 Share this pair
The link carries only the two animals’ names: peabody.kids/animals/compare/giant-squid-vs-sperm-whale
Where these numbers come from
- University of Michigan Museum of Zoology, Animal Diversity Web: Architeuthis dux (giant squid), checked 10 November 2026.
- NOAA Fisheries, checked 30 October 2026.
- Wikidata, from the IUCN Red List, checked 10 November 2026.
- Wikidata, from the IUCN Red List, checked 30 October 2026.