脊索动物门（CHORDATA）颔口总纲（GMATHOSTOMATA）硬骨鱼纲（OSTEICHTHYES）条鳍鱼亚纲（ACTINOPTERYGII）真骨下纲（TELEOSTEI）骨舌鱼首目（OSTEOGLOSSOMORPHA）骨舌鱼目（OSTEOGLOSSIFORMES）骨舌鱼科（OSTEOGLOSSIDAE）骨舌鱼亚科（OSTEOGLOSSINAE）红龙（Scleropagesformosus）金龙（Scleropagesformosus）青龙（Scleropagesformosus）珍珠龙（Scleropagesjardini）星点珍珠龙（Scleropagesleichardti）银龙（Osteoglossumbicitthosum）黑龙（Osteoglossumferrerirai）src=http://aquarium.intopet.com/500)this.width=500“ src=upload/article/a2004112613361914.jpg>