How long it take a blue Tuna to full size?

The time it takes for a blue tuna to reach full size depends on the species and the environment in which it lives. The Pacific bluefin tuna (Thunnus orientalis) is the largest species of bluefin tuna and can reach a maximum size of over 1,000 pounds. In the wild, it typically takes a Pacific bluefin tuna 15-20 years to reach full size. However, in captivity, with optimal conditions and a controlled diet, a Pacific bluefin tuna can reach full size in as little as 5-7 years.

The Atlantic bluefin tuna (Thunnus thynnus) is the second largest species of bluefin tuna and can reach a maximum size of over 1,500 pounds. In the wild, it typically takes an Atlantic bluefin tuna 25-30 years to reach full size. However, in captivity, with optimal conditions and a controlled diet, an Atlantic bluefin tuna can reach full size in as little as 10-12 years.

It's important to note that these are general estimates and the actual time it takes for a blue tuna to reach full size can vary based on a number of factors, including genetics, diet, and environmental conditions.