Short Description (Company/ Institute):

Redemar Alevinos is a familiar Hatchery stablished in 2003 producing marine fish fingerlings. Is the only laboratory of marine fish production from Brazil and the only one in the world which produce fingerlings of Dusky Grouper commercially.

Fields of activity, fields of research and development:

Our activity is production of fingerlings of marine fish. To achieve the production of fingerlings of Serranidae species we had to do research and development in the area of reproduction (Cryopreservation of semen, sex change, hormonal induction) and production of juveniles of groupers. We had the support of several institutions such as the Oceanographic Institute-USP, Institute of Biosciences of USP, São Paulo Institute of Fisheries and Marine Biology Center of the USP. We currently produce fingerlings of Dusky Grouper and Cobia which are provided to all Brazilian research institutions and private companies. We also develop research with production of fingerlings Recirculation Aquaculture System (RAS) with the support of FAPESP (PIPE- Innovation in Small Business Program of Research Support Foundation of the State of São Paulo).

Main competences for international cooperation:

We developed technology for reproduction of Dusky Grouper and production of juveniles. The Dusky Grouper is an endangered species in the category Vulnerable (IUCN) and of great importance in the Mediterranean Sea. We also have experience with the production of groupers in recirculation aquaculture system, shrimp ponds and net pens.

Main fields of interest for international cooperation:

We are interested in improving our knowledge and equipment in recirculation aquaculture systems and remote monitoring. We can share the technology for breeding and production of fingerlings of Dusky Grouper.

References / examples of most relevant products and services:

2008 – 2010 Reproduction of Dusky Grouper (Epinephelus marginatus) in captivity
Description: the goal was the Dusky Grouper reproduction under the conditions of southeastern Brazil in captivity through hormonal induction in females and sex reversal in males.

Scientific production:

• KERBER, C. E.; SANTOS, P. A. ; SILVA, H.K.A. ; SANCHES, E. G. . Reproduction and larviculture of Dusky Grouper Epinephelus marginatus (Lowe 1834) in Brazil. Journal of Agricultural Science and Technology, v. 2, p. 229-234, 2012.
• SANCHES, E. G.; KERBER, C. E. ; LUQUE, J. L. . First Record of Caligus mutabilis (Copepoda, Caligidae) in sea farmed Mycteroperca microlepis (Perciformes, Serranidae) in Brazil. Revista Brasileira de Parasitologia Veterinária, v. 21, p. 330-333, 2012.

2008 – 2011 Larviculture of Dusky Grouper (Epinephelus marginatus) in Brazil

Description: Development of technological package for the production of juveniles of Dusky Grouper in captivity.

Scientific production:

• SANCHES, E. G. ; KERBER, C. E. ; PASCHOAL, F. ; LUQUE, J. L. . First record of sea lice Lepeophtheirus curtus (Copepoda, Caligidae) in sea-farmed Epinephelus marginatus (Serranidae) in Brazil. BRAZILIAN Journal of Biology, v. 76, p. 545-547, 2016.
• KERBER, C. E.; SANTOS, P. A. ; SILVA, H.K.A. ; SANCHES, E. G. . Reproduction and larviculture of Dusky Grouper Epinephelus marginatus (Lowe 1834) in Brazil. Journal of Agricultural Science and Technology (USA. Print), v. 2, p. 229-234, 2012.KERBER, C. E.
• KERBER, C.E. Possibilities for grouper (Epinephelus marginatus) grow out in shrimp ponds in Brazil. In: VI Simposio Internacional de Aquicultura, 2012, Natal. Manual Fenacam 2012.
• KERBER, C. E.; SANTOS, P. A. ; SILVA, P. K. A. Breeding groupers: a fish suitable for the Northeast region of Brazil. Panorama da Aquicultura, Rio de Janeiro, p. 26 – 33, 25 set. 2012.

2011-2014 Feeding the tomorrow fish: environmental and economically sustainable diets for marine aquaculture production.
Description: The research proposal aims to consolidate and internationalize central innovation, research and practical applications on food and nutrition of fish species and marine shrimps, in commercial aquaculture production systems.

• SANCHES, E. G. ; SILVA, F. C. ; LEITE, J. R. ; SILVA, P. K. A. ; KERBER, C. E. ; SANTOS, P. A. . Can fish oil in diet improve the growth performance of dusky grouper Epinephelus marginatus?. Boletim do Instituto de Pesca (Online), v. 40, p. 147-155, 2014.

Ongoing Project: Production of juvenile groupers in RAS high density – GAROUPATEC sponsored by FAPESP PIPE- Innovation in Small Business Program of Research Support Foundation of the State of São Paulo.