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

Walleyes don’t like soft-bodied horse leeches or medicine leeches. But ribbon leeches, which have firm bodies, make excellent bait.

May 5, 2013 | Categories: From the Gremlin

Walleyes don’t like soft-bodied horse leeches or medicine leeches. But ribbon leeches, which have firm bodies, make excellent bait.