Fritz Schwimbeck (1889–1972)
”Eingang der Fischfrösche” (Entrance of the Fish Frogs)
pen & ink on paper, 1919 — source
seen from United States

seen from Germany

seen from Colombia
seen from Germany
seen from United States
seen from Singapore
seen from United States

seen from Germany
seen from Norway
seen from United States
seen from China
seen from United States
seen from China
seen from Saudi Arabia

seen from United States

seen from Saudi Arabia
seen from China
seen from United States
seen from United States
seen from United States
Fritz Schwimbeck (1889–1972)
”Eingang der Fischfrösche” (Entrance of the Fish Frogs)
pen & ink on paper, 1919 — source
'Entrance of the Fish Frogs' by Fritz Schwimbeck (1899 - 1972)
Fritz Schwimbeck (1889–1972), Fieber: Die Fischtränke, 1920
So, if you ever think nature can be weird, then you are thinking right! Got some stills of mudskippers at work looking totally like strange fish-frog aliens.