Marine Biology belongs to the most attractive and fascinating disciplines within the natural sciences. It is also one of the most diverse disciplines. More than 70% of the Earth's surface area covered by oceans, and they play a crucial role, especially for our climate. Only in the last 50 to 100 years, the scientific and technological means have been developed to explore and study this vast ecosystem in detail. Marine biological research is of global socio-economic and political relevance.