Tuna Fish is one of the most consumed species of fish in the world. It is a saltwater fish which is silver in color with large eyes and spiky fins and dark blue backs. Their rounded body tapers to a slender tail base. These fishes live in open ocean and can be found in the Pacific Ocean, Atlantic Ocean and Indian Ocean.
The smallest species is the Blackfin tuna and the largest is the Atlantic bluefin tuna. It can swim near the surface and also dive to the depth of 3000 feet while searching for food.
Quick Facts: –
- Tuna Fish is also very popular for being eaten all over the world with its nice meaty texture.
- It is one of the fastest swimmers in the ocean and the yellowfin tuna is the fastest of all of them.
- They migrate long distances over all the world’s oceans and occupy tropical, temperate waters.
- They have a well developed network of blood vessels under their skin which works as a temperature regulator.
- These fishes normally grow between 1 to 2 meters in length.
- Their diet mainly consists of small shrimp-like animals called krill, along with larger animals like pilchards and squid.
- They have a sleek and streamlined body which makes them an active and agile predator.
- When young, tuna fish eat tiny zooplankton and later they start eating fishes and other invertebrates.
- They are also one of the most commercially valuable fish on the entire planet. Some countries like Japan will pay millions of dollars for a prize catching bluefin tuna.