This website publishes freely accessible data on marine species living in oceans worldwide. It aims to bring together separate databases to build a larger picture of ocean life, and promote research into global marine systems. The OBIS web portal is run by UNESCO’s Intergovernmental Oceanographic Commission.

Users can search the database for biodiversity hotspots and ecological patterns; track the movement of species over time and different locations; and analyse how species' locations are related to physical attributes of the ocean. This information can be visualised using maps and downloaded free of charge.

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