Figure 6 in Socioeconomic aspects and profile of fishing according to fishers of commercial edible fish in the municipality of Barcelos, middle Negro River, Amazonas, Brazil

Figure 6. Fishing instruments used by commercial fishermen in the municipality of Barcelos, in the middle Negro River basin, Amazonas. Harpoon: long instrument, similar to a spear, used in fishing to catch larger fish; Trolling fishing: hook fishing which consists of casting the line while the boat is drifting in the river; Longline fishing: fishing line composed of a main line and secondary lines that are registered at regular intervals with hooks at the ends and Fishing fork (zagaia): harpoon consisting of three to five teeth fixed to a wooden pole.