Northern pike

Lore & Background

The northern pike gets its common name from its resemblance to the pole-weapon known as the pike, from the Middle English for 'pointed'. Its earlier common name, the luci or luce when fully grown, was used to form its taxonomic name (Esox lucius) and is used in heraldry. The species is most often olive green, shading from yellow to white along the belly, with short, light bar-like spots and dark spots on the fins. Younger pike have yellow stripes along a green body; later, the stripes divide into light spots and the body turns from green to olive green. Unlike the similar muskellunge, the northern pike has light markings on a dark body background and fewer than six sensory pores on the underside of each side of the lower jaw. A hybrid between northern pike and muskellunge is known as a tiger muskellunge. In the hybrids, males are invariably sterile, while females are often fertile and may back-cross with the parent species. Another form, the silver pike, is a mutation that occurs in scattered populations, lacking rows of spots and appearing silver, white, or silvery-blue in color. Northern pike are typical ambush predators, lying in wait for prey and exhibiting remarkable acceleration when striking. They inhabit sluggish streams and shallow, weedy places in lakes and reservoirs, as well as cold, clear, rocky waters. Because of their cannibalistic nature, young pike need places to take shelter between plants. Pike are seldom found in brackish water except for the Baltic Sea area, where they spend time in river mouths and open brackish waters before returning to fresh water.

Reader's Guide

The northern pike is a significant species in both ecological and sport-fishing contexts. As a major predatory fish in European and North American freshwaters, it plays a key role in aquatic food webs. Its aggressive feeding behavior, including cannibalism when food is scarce, influences population dynamics and prey species composition. However, its introduction to some western North American lakes and reservoirs has led to conflicts with fisheries managers, who sometimes attempt to exterminate pike to protect other species such as bass, trout, and salmon. The northern pike's ability to grow to large sizes, particularly in Eurasia, and its distinctive appearance and behavior make it a subject of interest for anglers and biologists alike. Its distribution across the Northern Hemisphere, including brackish waters of the Baltic Sea, demonstrates its adaptability, though it generally prefers fresh water with vegetation. The species also has a notable hybrid with the muskellunge, the tiger muskellunge, which is sterile in males but fertile in females.

Did You Know?

• The northern pike gets its common name from its resemblance to the pole-weapon known as the pike.
• A hybrid between northern pike and muskellunge is called a tiger muskellunge; male hybrids are invariably sterile.