Water Boatman & Backswimmer

A fall stillwater specialty. Water boatman stay near shore on submerged debris; at the first frost they make mating "nuptial flights," ascending and crashing back through the water — a brief, frantic feeding window worth fishing with an erratic retrieve.

Hatch timing / abundance

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Fall event; first frost triggers nuptial flights gofishbc articles 2026 06.

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Boatman hold close to shore on submerged debris (scuds can be anywhere in the column) gofishbc articles 2026 06.

Imitated by

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Water boatman patterns; Type 2 sink/sink-tip, cast toward shore, strip back quickly with long pulls gofishbc articles 2026 06.

Found in (waterbodies)

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rosebud lake (documented fall boatman); most lowland Kootenay lakes. #open

Data & occurrence sources

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Confirm and expand the Found in list and abundance with hard data — benthic-sample communities via CABIN, occurrence records via GBIF (roll up taxa per watershed) and iNaturalist, DNA-barcode IDs via BOLD. Access, licences and the FWA-segment join method are in aquatic invertebrate and river health data sources 2026 07.

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scuds and shrimp — often fished together in fall.

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hot weather stillwater — the preceding summer pattern.

Sources

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Go Fish BC articles — fall behaviour, retrieve.