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GMA - Gesellschaft für Marine Aquakultur mbH

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German marine aquaculture research company in Büsum, integrated into the Fraunhofer-Gesellschaft since 2022.

Last updated September 28, 2026

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Overview

GMA - Gesellschaft für Marine Aquakultur mbH is a German research-and-development company based in Büsum, a town on the North Sea coast of Schleswig-Holstein. It was established as a private limited company (mbH) focused on marine aquaculture, and its work spans fish nutrition and feeding, fish health and welfare, and experimental aquaculture systems. The company operated as an independent research entity at its Büsum site before being integrated into Germany's Fraunhofer-Gesellschaft. With effect from 1 January 2022, the research and development operations of GMA were integrated into the Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. The ongoing operation of GMA has since been continued by the Fraunhofer-Gesellschaft at the existing Büsum location, under the umbrella of the Fraunhofer-Einrichtung für Individualisierte und Zellbasierte Medizintechnik IMTE (Fraunhofer Research Institution for Individualized and Cell-Based Medical Engineering IMTE). Following the transition, the research and development operations of GMA have been conducted under the name "Fraunhofer-Einrichtung für Individualisierte und Zellbasierte Medizintechnik IMTE (Außenstelle Büsum)" — the Büsum branch of Fraunhofer IMTE. GMA's competencies are grouped around aquaculture and aquatic resources. Its stated areas of expertise include fish nutrition and husbandry, fish health and welfare, and experimental aquaculture systems. The Büsum site thus extends Fraunhofer IMTE's activities in aquaculture and aquatic resources, complementing the institute's main location in Lübeck. For customers and partners, the transition to Fraunhofer did not change the company's points of contact; the responsible staff remained the same, although their email addresses changed to the Fraunhofer IMTE domain (firstname.lastname@imte.fraunhofer.de). The GMA brand therefore represents a research-oriented aquaculture business that became part of a larger German applied-research organization, retaining its Büsum identity as a Fraunhofer branch.

History

GMA - Gesellschaft für Marine Aquakultur mbH was a research and development company based in Büsum, Germany, dedicated to marine aquaculture. It built its activities around aquaculture and aquatic resources, with declared competencies in fish nutrition and husbandry, fish health and welfare, and experimental aquaculture systems. The company operated from its Büsum site on the North Sea coast, where it conducted research and development in these fields. The decisive turning point in the company's history came at the end of 2021 and the beginning of 2022. With effect from 1 January 2022, the research and development area of GMA in Büsum was integrated into the Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. From that date, the ongoing operation of GMA at the existing Büsum location was continued by the Fraunhofer-Gesellschaft under the umbrella of the Fraunhofer-Einrichtung für Individualisierte und Zellbasierte Medizintechnik IMTE. The Fraunhofer-Gesellschaft described the move as finding a strong partner with which GMA's research and development activities could be continued. Following the integration, the research and development operations of GMA have been conducted under the name "Fraunhofer-Einrichtung für Individualisierte und Zellbasierte Medizintechnik IMTE (Außenstelle Büsum)". The transition was designed to be seamless for partners and customers: the responsible contacts at GMA did not change, although their email addresses were changed to the Fraunhofer IMTE format (firstname.lastname@imte.fraunhofer.de). The integration extended Fraunhofer IMTE's profile in aquaculture and aquatic resources, adding the Büsum site to the institute's activities alongside its main location in Lübeck. GMA's areas of expertise — fish nutrition and husbandry, fish health and welfare, and experimental aquaculture systems — thus became part of the Fraunhofer research portfolio. The GMA name remains associated with the Büsum aquaculture research site, which continues to operate as a Fraunhofer branch.

  • The research and development area of GMA in Büsum is integrated into the Fraunhofer-Gesellschaft; operations continue at the Büsum site under Fraunhofer IMTE.

  • GMA's research and development operations begin operating under the name "Fraunhofer-Einrichtung für Individualisierte und Zellbasierte Medizintechnik IMTE (Außenstelle Büsum)".

Products and positioning

Research-oriented marine aquaculture company; since 2022 a Fraunhofer branch for aquaculture and aquatic resources at Büsum.

  • Aquaculture and aquatic resources research

    Research and development in aquaculture and aquatic resources conducted at the Büsum site.

  • Fish nutrition and husbandry

    Expertise in fish nutrition and feeding as well as husbandry.

  • Fish health and welfare

    Expertise in fish health and welfare.

  • Experimental aquaculture systems

    Development and operation of experimental aquaculture systems.

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