You drop a line expecting bluegill — instead, a fire-colored exotic cichlid explodes from the bank and nearly yanks the rod. Soon the water is boiling with giant invasives, each one bigger and meaner ...

You expect bluegill or minnows — instead, the net rises with a creature covered in spikes, armor, and a temper. These ...

David Carlson of Franklin is a professor emeritus of philosophy and religion. Columns such as this, published on a printed ...