The dragonfish has a long barbel attached to its chin.
眼大,圆形。鼻孔小而不显。口小,下位。两颌无牙 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。两颌无牙 齿。
Dragonfish or Arowana: Within primitive fish and also tropical fish, but people list it sole customarily.
龙:本属古代类也可属类,但们习单列一类.
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