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Active Capture Gear • Human or mechanical action moves gear to fish • Dragged or towed gears – Trawls – Dredges • Surrounding or encircling nets – Seines • Angling. Midwater trawls. Tucker trawl. Pelagic paired trawl. Single boat demersal trawl. Beach or bag seine encircles fish.
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Active Capture Gear • • Human or mechanical action moves gear to fish • • Dragged or towed gears • – Trawls • – Dredges • • Surrounding or encircling nets • – Seines • • Angling
Seines often used for prey fishes or young sport fishes Gizzard Shad Minnows and shiners Largemouth Bass and Bluegill
Purse seine is a complicated gear; often justified for open-water species (e.g., shad)
Angling as a sampling tool - Active? Probably. - A valid ampling technique, but with biases - Valid use in mark-recapture studies - No matter what, you’ll catch some grief: your parents always knew you were going into this profession so you could get paid to hunt or fish.
Longline and Drift Nets • baited • miles long • disadvantages