河豚鱼有九十多种，都属于四齿科。
There are over ninety species of puffer-fish all belonging to the family Tetraodontidae.
河豚鱼必须要用一种特殊的方法来烹饪。获得许可的厨师需要经过严格的训练。
The puffer fish must be prepared a special way, by licensed chefs who undergo rigorous training, to be enjoyed.
河豚鱼有河豚毒素。
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