dragonfish noun 9forms 1 noun9 •Any of several long, slender fishes, of the family Stomiidae, that have a luminous barbel used to attract prey. •Other fish thought to resemble dragons or fish of the family Stomiidae. •Sculptured seamoth (Pegasus lancifer). •Short dragonfish (Eurypegasus draconis). •Gunther's boafish (Stomias affinis). •Any member of the genus †Draconichthys of fossil fishes. •Violet goby (Gobioides broussonnetii). •Gray bichir Polypterus senegalus. •Asian arowana (Scleropages formosus). formsdragonfishes