The mangrove vegetation includes characteristic flora such as Spartina alterniflora, Avicennia schaueriana, Laguncularia racemosa and Rhizophora mangle.

[3] The main resource exploited by the traditional populations is the chumbinho (Anomalocardia brasiliensis), small bivalves that are found in the muddy and sandy banks of the south bay of the island.

[3] The Pirajubaé Marine Extractive Reserve was created by decree 533 of 20 May 1992 and is administered by the Chico Mendes Institute for Biodiversity Conservation.

[1] The Federal Institute of Santa Caterina has launched a program to encourage eco-tourism in the reserve, training professional guides to explain the environmental and cultural aspects of the natural tourist attractions of the island.

Threats to the molluscs include urban pressure, extreme weather events, over-fishing, capture of juvenile individuals and dredging of the banks for the construction of South Expressway.