Context

Founded in 2018, Lisaqua is an impact-driven startup that farms shrimp in indoor land-based aquaculture facilities with zero environmental impact. Its mission: produce better with fewer resources.

Thanks to its patented technology, Lisaqua offers the first fresh shrimp farmed in France, guaranteed free of antibiotics and preservatives.

Lisaqua is part of the European doctoral network SwitchFloc (MSCA), a program dedicated to developing sustainable aquaculture systems through Biofloc Technology (BFT). This PhD provides a unique opportunity to work at the intersection of fundamental research and industrial application, on a cutting-edge technology that is transforming Penaeus vannamei shrimp farming.

Lisaqua is a GreenTech Innovation awardee, recognized by the FrenchTech AGRI20 program, part of the EIT Food European accelerator, and a member of La Ferme Digitale.

To learn more: http://lisaqua.com

Thesis objectives

Lisaqua is part of the SwitchFloc European Doctoral Network (MSCA), a program developing sustainable aquaculture systems through Biofloc Technology (BFT). This PhD provides a unique opportunity to work at the intersection of fundamental research and industrial application, on a cutting-edge technology transforming Penaeus vannamei shrimp farming.

We are looking for a PhD candidate to study the following objectives :

• Study the impact of bioflocs on growth and health of Penaeus vannamei under commercial farming conditions
• Identify key microbial and physico-chemical parameters to optimize performance
• Develop innovative strategies to stabilize biofloc quality and improve production sustainability

Supervision et encadrement

This thesis will allow you to benefit from a high level supervision and an international scientific network :

• Joint supervision by Lisaqua and European academic partners (UPV Spain, UiT Norway)
• Participation in the MSCA Doctoral Network with international mobility and advanced training
• Hands-on work in an industrial facility, fully integrated with production teams

Candidate profile

• Master’s degree or equivalent in aquaculture, marine biology, microbiology or environmental sciences
• Interest in applied research and sustainable aquaculture innovation
• Skills in data analysis/statistics (R or equivalent)
• English proficiency required, French is a plus
• Open to international candidates (MSCA mobility rule applies)

Practical information

• Contract : 36 months thesis
• Start date : June / July 2026
• Localisation : Saint-Herblain (44) including 3 months of training at UPV Spain and 3 months training at UiT Norway
• Salary : Fully funded by MSCA network

Contact and application

• To apply and learn more : www.lisaqua.com/recrutement and check all the details here :  Doctoral-Candidate-11-Determine-the-impact-of-biofloc-in-P.-vannamei-production-under-farm-conditions.pdf
• Send CV, cover letter and diplomas to : Helena.galasso@lisaqua.com et Charlotte.schoelinck@lisaqua.com
• Deadline : March 31, 2026 – 12 :00 CET