Shedd Aquarium introduces Chicago to the rare 'Shark Ray' | ChicagoNOW

To mark Shark and Ray Awareness Day this weekend, Shedd Aquarium is introducing Chicagoans to two rare residents ? bowmouth guitarfish, also known as shark rays. Senior aquarist Heather Urbaniak explains what makes these animals so special, what's being done to protect them, and how you can help.