The dragonfish has a long barbel attached to its chin.
眼大，圆形。鼻孔小而不显。口小，下位。两
齿。
The dragonfish has a long barbel attached to its chin.
眼大，圆形。鼻孔小而不显。口小，下位。两 齿。
Dragonfish or Arowana: Within primitive fish and also tropical fish, but people list it sole customarily.
龙鱼:本属古代鱼
也可属热带鱼,但
们习惯将其单列一.
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