The dragonfish has a long barbel attached to its chin.
眼大，圆
。
小而不显。口小，下位。两颌无牙 齿。
The dragonfish has a long barbel attached to its chin.
眼大，圆。小而不显。口小，下位。两颌无牙 齿。
Dragonfish or Arowana: Within primitive fish and also tropical fish, but people list it sole customarily.
本属古代鱼类也可属热带鱼类,但人们
惯将其单列一类.
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