English: Examples of the habitats sampled in the RAP surveys conducted in the southern Guiana Shield tributaries of the Amazonas River in the five state protected areas of the Northern Pará Drainage System, in northern Brazil. (A) Rapids over rocky outcrops in a small stream in ESEC G-P North; (B) Forested stream in the REBIO Maicuru; (C) Lake in ESEC G-P South; (D) River margin in the middle stretch of the Ipitinga River in the REBIO Maicuru.