Common deep-sea fish are: broad pharyngeal fish, salmon, tuna, roundfin fish, lantern fish, plowshare rays, masked lantern fish and so on.

One, broad pharyngeal fish

Broad pharyngeal fish, also known as swallow eel, swallow eel, pharyngeal sac eel, etc., is one of the spoke-fin fish order sac gill eel order broad pharyngeal fish family, is a relatively rare deep-sea fish, and occasionally seen in the fishing net accidentally caught. Known species are only one genus and one species.

Two, salmon

Salmon belong to the cold water anadromous spawning swimmer fish, juvenile fish live in the ocean for 3-5 years, usually 4 years of age to reach sexual maturity, after maturity back to the river to spawn. It is widely distributed in the Bering Sea, the North Pacific Ocean, the Sea of Okhotsk, the Sea of Japan and coastal rivers.

Three, tuna

Tuna is a bony fish class (Osteichthyes), sea bass (Pereiformes), mackerel (Scombridae), fish in a few genera of tuna (Thunnus), rudder skipjack tuna (Auxis), tuna genus (Euthynnus), skipjack tuna (Sardar), skipjack tuna (Katar), skipjack tuna (Auxis), tuna (Euthynnus), skipjack tuna (Sardar), and skipjack tuna (Katar), and skipjack tuna (Katar). ), skipjack tuna genus (Katsuwonus), naked fox skipjack tuna genus (Gymnosarda), from the point of view of fisheries utilization can be divided into: yellowfin tuna, bigeye tuna, bluefin tuna, albacore tuna, skipjack tuna, and six species of mazu tuna.

Four, roundfin fish

Roundfin fish is also known as Lang Posse fish, sea cucumber fish, sea cucumber spots. It is a purely wild fish species grown at a depth of 200 meters along the Arctic, with high nutritional value of the fish body, fish skin like the skirt of the turtle, high collagen content, tender fish meat, high unsaturated fatty acid content, and high calcium content of the bones. The ventral fins of the roundfin fish have characteristics similar to those of the goby fish where the ventral fins heal into a disk-like sucker.

Five, the masked palmetto

Masked palmetto belongs to the tropical and subtropical waters of the fish, the distribution area is mainly concentrated in the Pacific Ocean and Indian Ocean region, can adapt to a variety of different salinity and high water temperature growth environment. Juvenile fish feed on benthic diatoms, cyanobacteria, green algae, foraminifera and mollusks. Adult fish feed on diatoms, gill species and fish eggs.