University of Gothenburg
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Utfärd med Nereus.
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Excursions with Research Vessel

During the summer, we offer two activities for the public on board the Tjärnö Laboratory's research vessel Nereus. On one, we collect algae and animals from the seabed and take them to the station for further research in the lab. On the other, we lower a remote-controlled underwater camera and get a live broadcast from the exciting life in the depths of the Kosterfjord. Both activities has to be booked in advance. Since most participants are Swedish-speaking, we communicate mainly in Swedish. With no-Swedish speaking participants we will do our best to also communicate in English.

Diversity of the Sea

From the research vessel Nereus we make measurements in the water and collect algae and animals from the Kosterhavet Marine National Park, and continue to look more into them in the laboratory in stereo microscope. Entrance to Tjärnö Aquarium the same day is included.

Dates, Diversity of the Sea 2025

We are planning seven excursions during 30 June – 15 August, but dates are not yet set.

Fees, Diversity of the Sea 2025

Adult (from 16 years): 400 SEK
Children 7–15 years: 200 SEK
Children up to 6 years: no fee

Norway king crab
The Norway king crab is one of the many different species of crustaceans found in the Koster Sea.
Photo: Malin Frisell

Filming in the Kosterhavet Deep

From the research vessel Nereus we deploy a Remotely Operated Vehicle equipped with a video camera. We film life at 100 metres depth, at strong wind 20 meters depth, and show it in real-time on a monitor on board. A guide explains what we see. Trip departs from Tjärnö Marine Laboratory.

Dates, Filming in the Kosterhavet Deep 2025

We are planning four excursions during 7 July – 15 August, but dates are not yet set.

Fees, Filming in the Kosterhavet Deep 2025

Adults (from 16 years): 400 SEK
Children 7–15 years: 200 SEK
Children up to 6 years: no fee

”Fika” (coffee/tea/juice and a cinnamon roll) is included.

Underwater image
The underwater camera transfers images from the seabed, which are displayed on a large screen on board.