Twists, cuts, and tears specimens, such as abalone, starfish, or sponge, from surface to which attached, and places specimens in container. Catches finfish and shellfish, using net. Signals boat crew to hoist container or net to surface. Places nets underwater to capture sea mammals, such as whales, porpoises, and dolphins.
Stands watch to observe behavior of captured mammals.
Swims in, around, and under nets to free captive and other quarry caught in net and to prevent injury, escape, or drowning. Restrains mammal with arms or nets, and rigs net or sling under catch to permit hoisting without bodily injury.