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Reke og risengrynkorall

The Sea in Maps and Pictures

MAREANO maps depth and topography, sediment composition, contaminants, biotopes and habitats in Norwegian waters.

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News

News

candelabrum 20251003124318b

Large Candelabrum hydroids on the Mohn Ridge

17.10.2025

Cruise diary: On this cruise, numerous observations were made of large individuals of hydroids belonging to the genus Candelabrum on the Mohn Ridge.

Bambuskorall

The world’s first Bamboo Coral Reef discovered?

09.10.2025

The possible reef stretches over 800 meters in the Norwegian Sea.

Foto1 landed

The Neverending Bamboo Coral Story

09.10.2025

Cruise diary:  At 6:20 on Tuesday 30 September, the remotely operated vehicle (ROV) Ægir6000 landed on the crest of an underwater ridge on the Arctic Mid-Ocean Ridge (AMOR) in the middle of the Norwegian deep-sea in search of a bamboo coral garden.

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Selected maps

Map showing the vulnerable biotopes mapped by MAREANO (IMR) to date

Vulnerable biotopes

map that shows marine landscape and forms outside the harbour of north-norway

Landscapes/Forms

A map showing biotopes along the coast and sea-area in North-Norway

General Biotopes

map presenting topographic details of the sea floor and landscape along the northern norwegian coast-line

Shaded Relief

More maps

Data

MAREANO maps depth and topography, sediment composition, contaminants, biotopes and habitats in Norwegian waters. The results of the surveys are available on this website, visualised through maps. A number of our partners also supply data and maps from their own studies.

Bathymetric Data

Services rendered by the Norwegian Mapping Authority, Hydrorgaphic Service.

Geological data

NGU is Norway’s national geological survey. We map Norway's geology, and disseminate and present data in order to meet Society’s needs for basic geological knowledge.

Biological data from Institute of Marine Research (IMR)

Services rendered by the Institute of Marine Research.

Chemical data

Geological Survey of Norway (NGU) and the Institute for Marine Research (IMR).
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