Are those black things worms? Northern Pike caught in Georgian Bay Ontario. : r/Fishing

What are the black lines in this filet of yellow perch? : r/Fishing

Wading For Monster Pike - In-Fisherman

Ontario Northern Pike Fishing Outpost

Are those black things worms? Northern Pike caught in Georgian Bay

Big Georgian Bay Northern Pike

Big Georgian Bay Northern Pike

Fish Communities - State of the Bay

Zoom Ol Monster Magnum Worms - Fishing Tackle - Bass Fishing Forums

Big Georgian Bay Northern Pike