It was even difficult to convince Chinese to agree to a ban on trading rhino horns (which were only used in Chinese medicine), and attempts to do so were regarded as an assault on national culture. Hence, while pollution of the seas and unrestricted fishing endangers many marine species, protecting fish and mollusks requires prudent assessments.
僅用於中醫藥材的犀牛角，都無法說服國人，釀成民族文化保衛戰的大風波，因此海洋汙染與無限制漁撈雖然給海洋生物帶來傷害，但對魚、貝類物種的保護，也需更審慎評估。