A heat wave works its way under the sea surface with increasing speed from south to north. The season "winter" obviously did not take place at all in the southern North Sea at the turn of the year from 2019 to 2020... The temperature measurements of the Federal Maritime and Hydrographic Agency in Germany speak volumes. Actually, there should be alarm sirens going off all day long... A further indication of the climate catastrophe can be found under the sea surface: namely the shift of the fauna of the English Channel to the north, which is now beginning to establish itself on our coasts in the German Bight. This work takes a closer look at several known and lesser known species of invertebrates and fish and places them in the context of climate change. It provides various convincing arguments against all deniers of the climate catastrophe, which is already subtly announced by the faunal change...