Reviews in Aquaculture, 1–24 doi: 10.1111/raq.12408 Biofloc technology: principles focused on potential species and the case study of Chilean river shrimp Cryphiops caementarius David Antonio Ulloa Walker1,Marıa Cristina Morales Suazo2 and Maurıcio Gustavo Coelho Emerenciano3 1 Programa Cooperativo Doctorado en Acuicultura, Universidad de Chile, Universidad Catolica del Norte, Pontificia Universidad Catolica de Valparaıso, Chile, Grupo de Marcadores Inmunologicos. Laboratorio de Genetica e Inmunologıa Molecular. Instituto de Biologıa, Pontificia Universidad Catolica de Valparaıso, Valparaiso, Chile 2 Universidad Catolica del Norte, Facultad de Ciencias del Mar, Departamento de Acuicultura- Larrondo 1281, Coquimbo, Chile 3 Santa Catarina State University (UDESC), Aquaculture Laboratory (LAQ), Laguna, SC, Brazil. Present address: CSIRO Agriculture and Food, Aquaculture Program, Bribie Island Research Centre, Bribie Island, Qld, Australia Correspondence Abstract Marıa Cristina Morales Suazo, Universidad Catolica del Norte, Facultad de Ciencias del The accelerated growth of aquaculture has caused environmental impacts in many Mar, Departamento de Acuicultura-Larrondo countries. Examples include the use of large volumes of water, discharge of efflu- 1281, 1781421 Coquimbo, Chile. Email: ents with high nutrient content, the occupation of large areas, natural habitat
[email protected] alternation and the escape of exotic species. Biofloc technology (BFT) is an aqua- culture tool that requires minimal water exchange, promotes the nutrient recy- Received 11 September 2019; accepted 9 cling optimizing resources and produces natural food in situ by forming December 2019. suspended microbial aggregates in the water (bioflocs). These microorganisms provide multiple benefits such as water quality control, pathogen resistance and nutritional supplementation. Species such as Litopenaeus vannamei and tilapia have been successfully applied in BFT.