Teeth of the deep

Sharks are endlessly fascinating, probably mostly because they’re so potentially deadly. But as I realized recently at Sea World San Diego, their mouths are just plain ugly.

Sharks grow their teeth in flat rows – there are always a few rows coming forward to replace lost or old teeth. The front row is the most upright, and the net result is a mouth literally full of needle-sharp teeth.

sharksteeth.jpg

 


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