Royal Netherlands Institute for Sea Research

Jellyfish series

Jellyfish are mainly free-swimming marine animals with umbrella-shaped bells and trailing tentacles. Large, often colorful, jellyfish are common in coastal zones worldwide.  Jellyfish have been in existence for at least 500 million years, making them possibly the earliest animal group that had organised tissues.

New website for NIOZ

This year we are going to redesign and technically improve the NIOZ website. We would like to take your opinion as website visitor into account.

By answering 10 questions you can help us enormously! It will take you no longer than 4 minutes. You can win a NIOZ t-shirt and a book voucher to the value of EUR 25 if you fill in the questions.

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