Not all tuna fish are the same. According to fresh tuna suppliers, there are several different species of tuna, each with unique characteristics, flavours, and uses. Here are some of the most common types of tuna available: Bluefin Tuna (Thunnus thynnus) Characteristics: Bluefin tuna is known for its rich flavour and high fat content. It has a dark red flesh and is highly prized, especially...