Oarfish (scientific name: Regalecus glesne), also known as Brunhildy, commonly known as Dragon Palace Messenger, White Dragon King, Dragon King Fish, Big Hairtail Fish, Big Herring King, Oar Fish, Fat Fish, Buy Cow , barbarian, pig sperm, hundred cattle, earthquake fish, is one of the species of ray-finned fish, order Moonfish, and family Oarfish. Widely distributed in tropical deep seas. It is the longest bony fish in the ocean, with a bright silver body and red, paddle-shaped pelvic fins. Its original meaning in English is "paddle fish". The dorsal fin is also red and very long, starting from the top of the head like a bristle crown. It is rarely seen on the water surface. Some people occasionally see it and mistakenly call it a "sea snake". People usually think of them as monsters that sweep across the ocean floor and destroy everything.