Bluefin Tuna
ExploreFish
Bluefin Tuna
Thunnus thynnus
The Bluefin Tuna is a large, fast fish found in the deep, cool waters of the ocean. It has a sleek body built for speed and is known for its incredible swimming abilities.
Habitat: Deep Sea
Appearance
The Bluefin Tuna has a torpedo-shaped body with a metallic dark blue or black back and a silvery-white belly. Its distinctive yellow finlets run along its back and underside, leading to a powerful, crescent-shaped tail.
KingdomAnimaliaPhylumChordataClassActinopterygiiOrderPerciformesFamilyScombridaeGenusThunnus
Category
FishRarity
Common
Danger
2/5
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Interesting facts
Bluefin tuna have special sensory pits to detect tiny water vibrations!
Some bluefin tuna cross entire oceans, traveling over 10,000 kilometers!
Their muscles can heat up to 20°C warmer than the surrounding ocean water!
They must swim constantly to breathe, or they will drown!
Special abilities
Ability
Ocean Speedster
Bluefin Tuna has a super streamlined body and powerful tail that helps them swim incredibly fast, up to 70 km/h.
Ability
Retractable Fins
Bluefin Tuna can pull their pectoral fins into grooves on their body, making them extra aerodynamic for high-speed swimming.
Measurements & details
- Length
- 100-300 cm
- Weight
- 100-600 kg
- Lifespan
- 20-40 years
- Swim Speed
- 70 km/h
- Max Depth
- 1000 m
- Water Type
- Saltwater
Diet & Feeding
Bluefin Tuna are swift ocean predators, eating many kinds of smaller fish, squid, and crustaceans.
Primary Foods
- Mackerel
- Herring
- Sardines
- Squid
- Crustaceans
Foraging Method
- Pursuit
Ecological connections
hunts
Atlantic Mackerel
Scomber scombrus
A common fast-swimming prey fish.
hunts
European Pilchard
Sardina pilchardus
Forms large schools which tuna hunt.
hunts
Northern Shortfin Squid
Illex illecebrosus
A significant part of their deep-water diet.
Traits
Piscivorous
Discover amazing animals that love to eat fish! They're like expert underwater hunters, always on the lookout for a tasty meal from the rivers, lakes, and oceans.
Thermoregulating
Learn about incredible animals that can keep their body temperature just right, no matter how hot or cold it gets outside! They have special ways to stay warm or cool.
Carnivorous
Discover fierce hunters and clever predators that get all their energy from eating other animals. They play a vital role in keeping nature's balance.
Speedster
Discover creatures that dart, zip, and fly with incredible swiftness, making them masters of rapid movement in their habitats. They are built for speed, whether chasing prey or escaping danger.
Aquatic
Discover amazing creatures that call water their home, whether it's oceans, rivers, or lakes! These habitats are full of incredible life.
Marine
Dive into the vast, salty waters of the ocean, teeming with an incredible diversity of life, from tiny plankton to giant whales! It's a watery wonderland.
Migratory
Follow incredible journeys across the world! These animals travel far and wide at different times of the year, often to find better food or warmer places.
Threatened
These plants and animals are facing challenges that could make them endangered if we don't act now. It means they are at risk and need our attention!
Also known as
Atlantic Bluefin TunaGiant Bluefin Tuna
Collections
Safety
Danger
2/5
Bluefin Tuna are wild animals and should be admired from a distance.
Frequently Asked Questions
How long is Bluefin Tuna?
100-300 cm
How much does Bluefin Tuna weigh?
100-600 kg
How long does Bluefin Tuna live?
20-40 years
What does Bluefin Tuna eat?
Bluefin Tuna are swift ocean predators, eating many kinds of smaller fish, squid, and crustaceans.
How fast can Bluefin Tuna swim?
70 km/h
Where is Bluefin Tuna usually found?
Deep Sea
How does Bluefin Tuna hunt?
Pursuit
How deep can Bluefin Tuna go?
1000 m
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