The Field Journal
Fish Species

Northern Pike

Northern Pike (Esox lucius)

Key points

  • Threat: Voracious apex predators that feed heavily on native salmonids, including Westslope Cutthroat Trout, Rainbow Trout, and juvenile Bull Trout .
  • Habitat: Prefer slow-moving, weedy backwaters, sloughs, and connected river floodplains. Found in the lower connected reaches of the Kootenay River .
  • Tactics: Aggressive strikers. Targeted using large, wire-leader rigs with flash streamers, spoons, or topwater walk-the-dog lures.

Regulations (Region 4, 2025–2027)

  • Closed default: The regional default limit is 0 (CLOSED) to discourage transport and illegal introduction .
  • Eradication Limits: In the lower connected reach of the Kootenay River (downstream of Brilliant Dam to the Columbia), daily quotas are unlimited to encourage maximum angler harvest and suppression .

Open questions

  • The effectiveness of current suppression measures in preventing pike from establishing dominant populations in the upper wetland systems.

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