Productive fishing locations are often found at habitat transitions. Areas where riffles drop into deep pools are prime spots for holding fish. The tails of pools, where faster water meets slower water, are reliable areas to find feeding fish. Undercut banks, especially those with overhanging vegetation or root structures, provide excellent cover. Confluences where the Rio Branco de Cima meets other streams or rivers often create nutrient-rich zones that attract a concentration of fish.