These are Synura colonies 1000 times magnified! They are the most beautiful blondes of the pond, but they stink. They literally smell so badly because they release some substances into the water that cause the smell! . I collected a big bottle of water from a pond an hour ago and turned out that Synura is blooming. There are so many Synura colonies that the water looks brownish. . Each synura colony has numerous cells and these cells are attached. And each cell has two whip-like structures calle