The average lifespan of a tuna fish varies depending on the species. Pacific and Atlantic bluefin tunas, for example, typically live an average of 15 years, while the smaller southern bluefin tuna live a slower life, maturing later than the other two but can live up to 25 years. Big-eye tuna have a lifespan of up to 12 years, while yellowfin tuna can live up to 8 years.
How old is a 100 kg bluefin tuna?
A 100 kg bluefin tuna can be anywhere between 2 to 40 years old. The age of bluefin tuna is determined by its size and weight, with larger and heavier fish typically being older.
How old is the oldest tuna fish?
The oldest recorded bluefin tuna in history was estimated to be between 74 and 76 years old. It was caught off the coast of Nova Scotia in 2019.
How old is a 200 lb bluefin tuna?
A 200 lb bluefin tuna can be anywhere from 8 to 12 years old. Generally, the larger the tuna, the older it is. However, there is a wide range of sizes and ages for bluefin tuna, so it is difficult to give an exact age for a particular size.
How old is a full size tuna?
A full-size tuna is typically around 12 years old, depending on its species. For example, an Atlantic bluefin tuna can reach up to 10 feet in length and 1,000 pounds, and is typically around 200 pounds at 10 years of age. Other species of tuna, such as yellowfin and bigeye tuna, can reach maturity at around 2 years old and can reach sizes of 40-180 cms.