tuna
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classification
Fish, Actinopterygii, Perciformes, Scombridae, Genus Thunnus (e.g., Atlantic bluefin tuna - Thunnus thynnus)
habitat
Tuna are found in warm seas, primarily in the open ocean and are pelagic fish. They prefer areas with temperatures between 10°C and 30°C (50°F to 86°F) and are often found in the Atlantic, Pacific, and Indian Oceans.
body length
Tuna species vary significantly in size. For example, the Atlantic bluefin tuna can reach lengths of up to 10 feet (3 meters), while smaller species like the skipjack tuna typically grow to around 2 to 3 feet (0.6 to 0.9 meters).
body weight
Depending on the species, tuna can weigh anywhere from 20 pounds (9 kg) for smaller species like the skipjack to over 1,000 pounds (450 kg) for larger species like the Atlantic bluefin tuna.
lifespan
The lifespan of tuna varies by species. For example, Atlantic bluefin tuna can live up to 40 years, while other species like the skipjack tuna may only live for about 8 to 12 years.
food habit
Tuna are carnivorous and primarily feed on smaller fish (such as sardines, herring, and mackerel), squid, and crustaceans. They are known for their speed and agility in hunting.
habit
Tuna are highly migratory species, often traveling long distances for feeding and breeding. They are known to form schools and exhibit complex social behaviors during migration.
natural enemy
Tuna face predation from larger marine animals such as sharks, orcas, and larger fish species. Humans also pose a significant threat through overfishing.
bits of knowledge
Tuna are known for their streamlined bodies and powerful swimming capabilities, allowing them to reach speeds of up to 75 km/h (47 mph). They are also warm-blooded, which helps them maintain their body temperature in cold waters, giving them an advantage when hunting.