This field guide covers the major fishery resource group occurring along the norther coast of South America, including seaweeds, gastropods, bivalves, cephalopods, stomatopods, shrimps, lobsters, crabs, sharks, batoid fishes, bony fishes, and marine turtles. The introduction includes a detailed description of the boundaries and the geophysical, oceanographic and ecological features of the area, the distribution and nature of the main fishing grounds, the species dominating in each habitat, and the fishing techniques used.