The newly safe but still legally suspect puffer fish liver, where Tetrodotoxin is most concentrated, has reportedly become a sought-after underground delicacy in parts of Japan.

• 因为河豚集中含有河豚毒素，这种新型安全的河豚养殖方法仍存在法律质疑，但是在日本的一些地方，它已成为地下颇受欢迎的一道美味。