Pegasus volans; Print; The brick seamoth; Pegasus laternarius; also known as the long-tailed dragonfish; long-tailed seamoth; pelagic dragon-fish; or the winged dragonfish; is a species of fish in the Pegasidae; or seamoth; family. This species is used extensively in the Guangdong and Guangxi province of China to treat scrofula; cough; and diarrhea.; 1700-1880