If you were asked “What is your favorite animal?”, many people would think of some kind of animal.
However, it may be difficult to think of something when asked “What is your favorite fish?” Even if you do think of something, it may be about fish as an ingredient.
As for fish as an ingredient, Japanese people are thought to like tuna by people overseas. Indeed, tuna is a familiar ingredient for Japanese people in general households and restaurants.
However, I get the impression that not many people know about the ecology of tuna. So let’s take a closer look at the ecology of tuna!