They are found worldwide in warm and temperate seas, mostly in shallow water But some (genus Benthobatis) at depths greater than 3,000 ft.

见于世界热、温带水域。种类多，多栖于浅水，但深海电鳐属等可生活于3,000呎以下的深水。

youdao

They are found worldwide in warm and temperate seas, mostly in shallow water But some (genus Benthobatis) at depths greater than 3,000 ft.

见于世界热、温带水域。种类多，多栖于浅水，但深海电鳐属等可生活于3,000呎以下的深水。

youdao