Oyster farming in the community of Vila Pereru, Municipality of Sao Caetano de Odivelas. Photograph by Dioniso de Souza Sampaio. 
Oyster farming in the community of Vila Pereru, Municipality of Sao Caetano de Odivelas. Photograph by Dioniso de Souza Sampaio . 
Oyster farming in the community of Vila Pereru, Municipality of Sao Caetano de Odivelas. Photograph by Dioniso de Souza Sampaio . 
Oyster farming in the community of Vila Pereru, Municipality of Sao Caetano de Odivelas. The producer is washing / throwing water to remove the excess sediment in the oyster shells. Photograph by Dioniso de Souza Sampaio. 
Oyster farming and oyster seed selection in the community of Nazare do Mocajuba, Municipality of Curuca. Photograph by Dioniso de Souza Sampaio. 
Natural oyster bed in the community of Nazare do Mocajuba, Municipality of Curuca. Photograph by Dioniso de Souza Sampaio. 
Oyster farming in the community of Lauro Sodre, Municipality of Curuca. Photograph by Dioniso de Souza Sampaio. 
Oyster growers measuring salinity in the community of Lauro Sodre, Municipality of Curuca. Photograph by Dioniso de Souza Sampaio. 
Oyster farming in the community of Nazare do Seco, Municipality of Maracana. Photograph by Dioniso de Souza Sampaio. 
Sponges alongside cultivated oysters in the community of Nazare do Seco, Municipality of Maracana. Photograph by Dioniso de Souza Sampaio. 
Oyster farming in the community of Santo Antonio de Urindeua, Municipality of Salinopolis. Photograph by Dioniso de Souza Sampaio. 
Oyster farming in the community of Santo Antonio de Urindeua, Municipality of Salinopolis. Photograph by Dioniso de Souza Sampaio. 
Oyster farming in the community of Nova Olinda, Municipality of Augusto Correa. Photograph by Dioniso de Souza Sampaio. 
Oyster farming in the community of Nova Olinda, Municipality of Augusto Correa. Photograph by Dioniso de Souza Sampaio. 
This oyster is a native oyster Crassostrea gasar. This specimen is a market-ready medium-sized oyster for commercialization of 80 to 99 mm. Photograph by Dioniso de Souza Sampaio.
Photos: Dioniso de Souza Sampaio (Adjunct Professor and Researcher – University Federal of Para ).
These photos were taken by Dioniso de Souza Sampaio between 2013 and 2015.
These photos are part of his ongoing doctoral thesis titled “Oysterculture in northeastern Pará: Current status and prospects for sustainability” under the guidance of Prof. Dr. Colin Robert Beasley of the Postgraduate Program in Environmental Biology at the Federal University of Pará, Bragança. This research was funded by the National Council for Scientific and Technological Development (CNPq) and the now extinct Ministry of Fisheries and Aquaculture (MPA) and was carried out under license number 28304-1 from the Chico Mendes Institute for the Conservation of Biodiversity (ICMBio).