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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