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Institute of

SF Sea Fisheries

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On 16 April 2025 the 'Klimahaus Expedition' will take place again. Many scientists from well-known research institutes will be a 'living' part of this exciting event at the Klimahaus in Bremerhaven - and we, the Institute of Sea Fisheries will be on board again!


A team of scientists, technicians and student assistants from the Thünen Institute of Sea Fisheries is on its way again this year as part of the Internationally co-ordinated Mackerel Egg Survey (MEGS) in the North Atlantic


Our colleague Katrine Wilhelmsen Melaa from the Thünen Institute of Sea Fisheries had the opportunity to collect samples for her PhD project on the commercial fishing trawler “Cuxhaven”of the Deutsche Fischfang Union (DFFU). Join Katrine on the journey and her experiences on board!

Our colleague Katrine in front of the commercial trawler “Cuxhaven” in Hafnarfjörður (Iceland)

In a recent study by the EU's Horizon Europe project MarinePlan, which is coordinated by the Thünen Institute of Sea Fisheries, the scientists emphasise that systematic conservation planning (SCP) in particular can stop the loss of biodiversity.

A seal lies on the beach and looks into the camera.

Our colleague Miriam Püts has been announced as Professor for Marine Bioresources in the degree programme Biotechnology of Marine Resources.


To ensure the quality of the mackerel and horse mackerel egg survey in the coming year, participants from various European countries met with us in Bremerhaven to coordinate the egg identification process.

Workshop participants in front of our research vessel.

In its annual reports, ICES provides an overview of the status of exploited fish stocks in the North-East Atlantic and issues advice on total allowable catches. Here is an overview of the new reports.


The annual herring acoustic survey (HERAS) in the North Sea is about to end, and our colleague Matthias Schaber shares some exciting insights from the survey.

Spotting minke whales from the research vessel SOLEA (photo)

Do different countries agree on how to determine the sex and maturity of the lemon sole? And which characteristics should be used? These and other questions were discussed at a workshop in Belgium.

our colleagues determine the degree of maturity in the laboratory

... strengthens cooperation in data collection for the regions "North Atlantic, North Sea and Eastern Arctic" and "Baltic Sea".

Group photo of the participants at the RCG meeting in Bremerhaven

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