Sven Erik Gehrmann:
Sven Erik Gehrmann, born in 1969 in Berlin and currently living in Norden near Norddeich on the coast of Lower Saxony, has been interested in everything that lives under water since he was a child. He has always been particularly interested in and fascinated by crustaceans and fish. Since 1983, he has been an enthusiastic hobby aquarist and nature fan of our native aquatic anim...