Salmon is a carnivorous fish of the genus Pacific Salmon of the family Salmonidae, with a laterally flattened, spindle-shaped body and a beak-like mouth. As cold-water anadromous migratory fish, young fish usually live in the sea for 3-5 years, and return to rivers to spawn when they mature. It is worth mentioning that it will only lay eggs once in its life and will die after laying eggs.
There are many types of tuna, there are six common, namely yellowfin tuna, bigeye tuna, bluefin tuna, albacore tuna, bonito and tuna. Yellowfin tuna is mainly distributed in the tropical and subtropical waters of the Indian Ocean, the Pacific Ocean and the Atlantic Ocean, and its growth rate is very fast.
Lantern fish living in the deep sea, the scientific name is monkfish, this fish is distributed in all oceans, is the bottom of the sea carnivorous fish. Its head has a fleshy protuberance, looks like a lantern, contains glandular cells, can secrete photopsin, under the catalysis of photopsin enzyme can emit light, thus attracting many phototactic small fish, to let it feast.
Tiger spot is a kind of grouper, which belongs to warm-water near-bottom fish, with oval body, large mouth and thin and sharp teeth on both sides. This kind of fish is fresh, tender, fat and nutritious, so it is very popular with people. It is worth mentioning that although deep-sea fish can be cultured artificially.