Spawn

Interpret spawning from warming history, nests, guarding behaviour and fry, not a month alone. A Canadian cold spring can leave some fish spawning while others are already feeding after spawning. Nest building, egg laying and guarding are separate stages; a published spawning-temperature range is not an exact trigger. A population spawning in waves does not establish that every female lays two to five batches. Fish within local rules and avoid disrupting guarding fish.

1. What is happening — Interpret spawning from warming history, nests, guarding behaviour and fry, not a month alone. A Canadian cold spring can leave some fish spawning while others are…
2. Where the fish are — Look for suitable firm substrate with protection from excessive waves and current. Males may guard nests or fry while other adults feed nearby. Nest depth varies with…
3. How to fish it — Distinguish feeding/cruising fish from fish repeatedly returning to a nest or fry. Fish only within local seasons and rules. In a cold Canadian spring, a calendar label…