A tide gate of a flood barrier in the town of Glückstadt on the Elbe river is sprayed with graffiti art devoted to fish, seafood and nautical equipment.

The depicted freshwater and saltwater fishes as well as the invertebrates are tentatively identified by us as flounder, sturgeon, pike, perch, eel with crab, cod, bream, smelt, and mussel (from upper-left to bottom-right).
All taxa are typical representatives of the present-day fauna of that stretch of the Elbe river. The photo was made on 26. June 2016 at 1.43 pm while the photographer was walking down the street «Am Hafen» in the Glückstadt harbour area.

This nice work of art featuring organismic biology on the mapped tide gate is part of a graffiti project which is in line with the restoration of the harbour area. Topics of the graffiti project are the history of the town and fish.

Glückstadt (Danish: Lykstad) on the Elbe river is situated in Schleswig-Holstein, Germany, at 53°47’30”N and 9°25’19”E. It was founded in 1617 by the Duke of Holstein, King Christian IV of Denmark and Norway, and in former times home-port of a whaling and herring fleet. Now the town is well known for its deli food «Glückstädter Matjes», an particularly mild herring processed before reaching maturity.