bub...
Shellcrackers are a fresh water fish like a bluegill on steroids. some call them Redear. where Bluegill have the black spot....redear or shellcracker have a black and red spot. it looks like a big eye when they flair their gills which makes them look like a lot bigger fish than they are when looking at them from the front. They also have crushers in the back of there throut to eat snails and mussels. hence the name shellcrckers.....