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There are more than 32,000 known species of fish in the world. Out of them, almost 27,000 species include bony fish. 970 species out of the remaining include rays, naked-back knifefish, and other food fish such as cod and tuna. 

migratory species such as salmon. If we look at the first record of other species' evolution from fish, it will go back to 500 million years. Today, there are more than 32,000 known fish species in the world

 Types of fish in the world


Salmon is one of the most popular fish in the world. It is a type of euryhaline ray-finned fish that is native to the coasts and rivers of Alaska, China, Japan, Siberia, and America. There are seven different types of salmon, six of which come from the Pacific coast.

 The different types of salmon include king, sockeye, chum, coho, pink salmon, masu salmon, and amago salmon. Chinook salmon is the biggest type of salmon and it is also the most popular type of salmon in North America.


There are many different types of tuna fish in the world. The three main types are albacore, bigeye, and blackfin. Each type of tuna has its own unique color and markings. Albacore are the most common type of tuna, and they are found in all oceans. Bigeye tuna are found in tropical and subtropical waters. Blackfin tuna are found in the Indian and Pacific Oceans.


There are many different types of cod fish in the world. The two most common are the Atlantic cod and the Pacific cod. Both of these fish are large and economically important. They are also both migratory species. The Atlantic cod is found on the coast of North America, while the Pacific cod is found on the coast of Alaska.


Herring are one of the most abundant types of fish in the world. They're small, streamlined schooling fish that feed on other small creatures like copepods, pteropods, and other planktonic crustaceans.

 Herring are a key part of the diet for many animals like whales, orcas, dolphins, sharks, and a number of seabirds. There are three different species of herring: Pacific herring (Clupea pallasii), Araucanian herring (Clupea bentincki), and Atlantic herring (Clupea harengus).


There are more than 100 different types of anchovy fish in the world. Anchovies are small, oily and bony fish that are found in marine waters around the globe. These little fish are a major food source for many larger predators such as tuna, dolphins and seals. Though they are small, anchovies are high in nutrition and play an important role in the ocean ecosystem.