🐊 Black caiman vs Lion 🦁
The black caiman is about twice as long as the lion.
Getting the animals ready…
| Row | 🐊 Black caiman | 🦁 Lion |
|---|---|---|
| Size The black caiman is about twice as long as the lion. | 20 ft6 m1 | 8.5 to 11 ft2.6 to 3.5 m2 |
| Top speed Neither has a checked number yet. | no checked number yet | no checked number yet |
| Weight We don't have a checked number for the black caiman yet. | no checked number yet | 414 lb188 kg2 |
| Lives The lion lives a bit longer than the black caiman. | 13 years13 years1 | 16 years16 years3 |
| Eats Both eat meat. | fish such as piranhas and catfish, other animals near the water, and insects when it is young | zebras, wildebeest, buffalo and other grazing animals |
| Lives in They live in different kinds of places, so they would hardly ever meet. | slow rivers, lakes and flooded forest in the Amazon region | the savannas of Africa, and one forest in India |
Which one? Black caiman or lion
🏁 Who would win the race?
We don't have a checked top speed for the black caiman or the lion 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 Black caiman vs Lion
- The black caiman: A very big reptile of the Amazon that lives in slow rivers.
- The lion: The only big cat that lives in a family group, called a pride.
- They are different kinds of animal. The black caiman is a reptile, so it has scaly skin; the lion is a mammal, so it breathes air with lungs and feeds its babies milk.
- The black caiman is about twice as long as the lion: 1 against 2.
- The lion lives a bit longer than the black caiman. Usual lifespans: 1 for the black caiman and 3 for the lion.
- Both eat meat. The black caiman eats fish such as piranhas and catfish, other animals near the water, and insects when it is young; the lion eats zebras, wildebeest, buffalo and other grazing animals.
- The black caiman lives in slow rivers, lakes and flooded forest in the Amazon region. The lion lives in the savannas of Africa, and one forest in India. They live in different kinds of places, so they would hardly ever meet.
- The black caiman: doing fine (Least Concern on the IUCN Red List). 4
- The lion: needs help (Vulnerable on the IUCN Red List). 5
Wow facts
🐊 Black caiman
- A black caiman can grow longer than most cars.
- Young ones eat mostly insects.
- It lives in slow rivers and flooded Amazon forest.
🦁 Lion
- Lion cubs are born with spots, which fade as they grow.
- A lion's roar can be heard far away across the grassland.
- Lionesses in a pride often look after each other's cubs.
Questions kids ask about Black caiman and Lion
Which is bigger, black caiman or lion?
The black caiman is about twice as long as the lion: 1 against 2.
Which is heavier, black caiman or lion?
We only have a checked weight for the lion: 2. Scientists are still working out the other.
Which lives longer, black caiman or lion?
The lion lives a bit longer than the black caiman. Usual lifespans: 1 for the black caiman and 3 for the lion.
What do black caiman and lion eat?
Both eat meat. The black caiman eats fish such as piranhas and catfish, other animals near the water, and insects when it is young; the lion eats zebras, wildebeest, buffalo and other grazing animals.
Where do black caiman and lion live?
The black caiman lives in slow rivers, lakes and flooded forest in the Amazon region. The lion lives in the savannas of Africa, and one forest in India. They live in different kinds of places, so they would hardly ever meet.
Who would win, black caiman or lion?
We never show fights, because a fight is not a fair way to compare animals. They live in different kinds of places, so they would hardly ever meet. 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/black-caiman-vs-lion
Where these numbers come from
- University of Michigan Museum of Zoology, Animal Diversity Web: Melanosuchus niger (black caiman), checked 10 November 2026.
- US Fish and Wildlife Service, Federal Register 2015 (Listing Two Lion Subspecies), checked 30 October 2026.
- Smithsonian's National Zoo, Lion, checked 30 October 2026.
- Wikidata, from the IUCN Red List, checked 10 November 2026.
- Wikidata, from the IUCN Red List, checked 30 October 2026.