round the world for thousands of years．over the past 200 years，however，human actions have severely endangered sawfish．threats include fishing nets that trap the huge animals，often by mistake．
some people collect sawfish’s snouts as prizes：one snout recently sold for nearly $ 1,600 online．in some asian cultures，the toothy snouts are used in ceremonies to drive evil and disease away．and sawfish are also delicious．a growing demand in 
asia for the fish’s fins for a pricey soup has contributed to the fish’s loves．compared with other fish，sawfish give birth late in life and at slow rates，which makes it hard for them to recover from overfishing．
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