鳐鱼科，包括黄貂鱼和灰鳐，通过击打鳍的末端向前游动。

Fish of the family Rajidae, which includes stingrays and skate, swim by flicking the outer edges of their fins.

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鳐鱼科，包括黄貂鱼和灰鳐，通过击打鳍的末端向前游动。

Fish of the family Rajidae, which includes stingrays and skate, swim by flicking the outer edges...

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属软骨鱼纲的鱼软骨鱼纲鱼的一种，以软骨骨架和板状鱼鳞为特征，包括鲨、鳐、灰鳐。

Any of numerous fishes of the class Chondrichthyes, characterized by a cartilaginous skeleton and placoid scales and including the sharks, rays, and skates.

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