Perca flavescens
A schooling panfish that bites readily and can overpopulate small BC lakes, making it one of the best species for introducing a kid to fishing.
Yellow perch feed hard from ice off through fall, but late spring into early summer is the peak window in most BC lakes, right after they finish spawning in shallow, weedy water. Spawning generally runs through April and May in the southern part of the province, sometimes stretching into June at higher elevations or in colder years. Fishing stays solid all summer once the schools settle onto structure, and activity picks up again in fall as perch feed heavily ahead of winter. On lakes that freeze over, yellow perch are also a dependable ice fishing target through the winter months.
Early morning and the last couple hours before dark tend to be most productive, when perch schools push shallow to feed. That said, perch are one of the less fussy species, and once you locate a school holding over the right structure it will often bite steadily through the middle of the day too.
Perch travel in tight schools, so finding one usually means dozens more are nearby, it pays to stay put and work an area thoroughly rather than moving after every bite. A slow retrieve, or bait fished nearly still just off bottom or just above a weed edge, generally outfishes aggressive jigging. Light spinning gear in the 4 to 8 lb range with a small hook is all that is needed, and working dock pilings, weed lines, and drop-offs from a boat, float tube, or shore covers the water well. Because bites come often and the setup is simple, perch fishing is a good way to keep a new or young angler engaged.
Look for yellow perch around weed beds, drop-offs, sunken timber, and dock structure in the shallower, warmer arms of a lake, they tend to avoid fast current so slow backwaters and pools are the spot in rivers and streams. In many BC lakes they were introduced and have since spread widely through the southern Interior, Kootenay and Okanagan watersheds, Vancouver Island, and the Lower Mainland, often becoming the dominant panfish in smaller, weedy, warm-water lakes.
42 waters whose published rule specifically mentions yellow perch. This isn't exhaustive, plenty of other waters hold this species too under the region's default limits without a water-specific line.