Fish have a specialized sense organ called the lateral line which works much like radar and helps them navigate in dark or murky water.  

Gremlin’s State Record Fish of the Month

October 8, 2012 | Categories: Fun Stuff

November 11, 2004 was a day to remember on Lake Texoma for BJ Nabors. He landed this 98 lb. blue catfish, the largest on record in Oklahoma. From what I see in the photo, it looks like it was a bloody battle.