 Mammals found in the area include the crab-eating raccoon, the silky anteater and the neotropical otter.Also, 33 snail species, 34 crustacean species, 24 bivalve species and 9 reptile species are found in the sanctuary.It is possible to navigate, by kayak or canoe, the waterways inside the mangrove forest in the zone accessible to tourists (137,5 hectares = 4,61% of the sanctuary).