STEVE GSCHMEISSNER / SCIENCE PHOTO LIBRARY STEVE GSCHMEISSNER / SCIENCE PHOTO LIBRARY
Anabaena algae. Coloured scanning electron micrograph (SEM) of Anabaena sp. freshwater alga from a pond. Anabaena is a filamentous species of blue-green algae (cyanobacteria). It can form blue-green surface clumps or be distributed throughout the water column. Anabaena produces several types of toxins that can affect the nervous system and the liver. Magnification: x1000 when printed 10 centimetres wide. Specimen collected from Vietnam courtesy of Mike Allen, Plymouth Marine Laboratory.
Model release not required. Property release not required.