In fresh water, these red cyanobacteria don't absorb a green stain

Microscopic image of cyanobacteria that show up red in fresh water

Detailed Description

This is the first of two microscopic images of potentially toxic cyanobacteria, Microcystis aeruginosa.  In both images, the cyanobacteria have been exposed to a green stain.

Image 1: Microcystis aeruginosa in freshwater. The green stain doesn’t enter the cells, which show up in red.



Image Dimensions: 1360 x 1024

Date Taken:

Location Taken: US


Barry Rosen, USGS