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

Seines often used for prey fishes or young sport fishes

Gizzard Shad

Largemouth Bass and Bluegill

Minnows and shiners

Purse seine encircles fish in open water

Purse seine being set and purse line pulled

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.

On a Commercial Scale

Pole Fishing for Tuna

Scallop Dredging

Longline and Drift Nets

•baited

•miles long

•disadvantages