Liaoning river swordfish and autumn swordfish are not the same thing.

The swordfish you are referring to is also called "crabs".

Native to the waters of the Mekong and Chao Phraya Rivers in Thailand, Burma, Cambodia and parts of Africa. It is also found in the coastal waters of China. It is a migratory fish.

Swordfish is the earliest seasonal fish in spring. Knife fish body shape narrow and long, much like a sharp knife, silver-white, tender meat, but more fine hairy bone spines. Characterized by the meat taste delicious, fat but not greasy.

As shown: Swordfish:

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Autumn Swordfish, on the other hand, specifically refers to a type of fish native to Hokkaido, Japan.

The swordfish is a pelagic fish found in subtropical and temperate waters of the Pacific Ocean off the coasts of Asia and the Americas from 190-580N. It is mainly found in the temperate waters of the northern Pacific Ocean. It is mainly found in the temperate waters of the northern Pacific Ocean, and is a cold-water stream swimming fish.

The best is from Hokkaido, Japan.

As shown in the picture:

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Thank you~