Among them, salmon is one of the commonly used fish raw materials in western food, also known as northern trout, salmon, Luoguo fish, salmon, sesame cake fish and so on. There are different kinds of salmon in consumer markets in different countries. Norwegian salmon is mainly Atlantic salmon, Finnish salmon is mainly red-fleshed rainbow trout, and American salmon is mainly Alaska salmon. Salmon generally refers to salmon belonging to the family Salmonidae, and there are many kinds, such as salmon produced in Northeast China and humpback salmon.
Tuna is a large-scale ocean-going important commercial food fish, which is called tuna in Hong Kong and sub-winter fish in Macau. Distributed in the Indian Ocean, the central Pacific Ocean and the central Atlantic Ocean, it is a tropical-subtropical marine fish. Tuna that swam from California to Japan has been found in the past. There are 8 species of tuna, most of which are huge. The largest species is 3.5 meters long and weighs 600 to 700 kilograms, while the smallest species is only 3 kilograms.
Characteristics of deep-sea fish
It is characterized by a big mouth, big eyes, and a luminous body in one or several parts. Lamps and lanterns are not only used to trap prey, but also to lure spouses. Deep-sea fish formed these special habits in the process of evolution to adapt to the extremely tense, extremely cold and dark living environment. The habitat of deep-sea fish is the most special in the world.
Because the competition in the deep sea is not as fierce as that in the shore or shallow sea, many primitive groups have survived to this day. The most important deep-sea fish groups are deep-sea fish, viper fish and hairy mouth fish. Are the fish in deep sea fishing horns? ? ? ? Suborder, they lure their prey by shaking the spines of their dorsal fins as bait. Ophiopogonidae is a terrible carnivorous fish with many teeth like clips, and Tricholoma is the most abundant fish in the world.