Perch can be grumpy, they are known for their aggressive nature. On average, a lake perch typically reaches peak swimming speeds of over 12 mph.  The yellow perch is one of the best-loved and most pursued of all freshwater fish because they are so tasty!  They are particularly popular for ice fishing and related to Walleye.  Adult yellow perch feed on larger zooplankton, insects, young crayfish, snails, aquatic insects, fish eggs, and small fish, including the young of their own species AND perch eat minnows!