Any worker who hunts, catches, and traps aquatic animals, such as finfish and shellfish, including mollusks and crustaceans, or gathers aquatic shells, mosses, seaweeds, and sponges.

Classifications are made according to equipment used as fisher, line, fisher, net, fisher, pot, shellfish dredge operator, or according to type of aquatic life taken as irish-moss gatherer, kelp cutter, or sponge hooker.