Other common names include Pacific oarfish, king of herrings, ribbonfish, and streamer fish. Oarfish have the longest known length of any living species of bony fish. As to length, the longest extant bony fish on earth is the oarfish ("Regalecus glesne"). Large open-ocean carnivores are all likely predators of oarfish. The maximum recorded weight of a giant oarfish is . Wade was even able to touch one of the oarfish with his hand. Regalecus russelii is a species of oarfish in the family Regalecidae. "Regalecus russelii" is a member of the fish genus Regalecus and oarfish family Regalecidae. At the depths the oarfish live, there are few or no currents. The giant oarfish ("Regalecus glesne") is a species of oarfish of the family Regalecidae. In contrast, adult oarfish are rarely seen at the surface when not sick or injured. Oarfish are solitary animals and may frequent significant depths up to . Ascanius first described the giant oarfish in 1772.