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The birth of the eagle rays has triggered a lot of practical work to find out where the young will live in the future – it is not certain that they will stay on the Blue Planet. It depends on where it will be best for the entire population of eagle rays in the European aquariums. That is why we have taken DNA samples from the rays, so that we can get a complete handle on the pedigree, and the rays can find their place in the European breeding program.