Blue-green algae, Anabaena, LM


Light micrograph of filaments of Anabaena sp., a blue-green algae or cyanobacterium. Filaments of Anabaena are found on grass and in freshwater pools and sediments. In this image, Anabaena have formed thick-walled cells called heterocysts that specialize in fixing nitrogen, an essential biological nutrient. Anabaena are used to increase soil fertility and crop yields. These algae also contain poisons that are dangerous to animals if eaten. 160x at 35mm.

Credit: Michael Abbey / Science Source

Model Release: No, but may not be necessary

File Size: up to 20.2" by 13.7" (at 300dpi)

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algae, anabaena sp., blue-green algae, cyanobacteria, nitrogen-fixing algae, poisonous algae, light micrograph, light micrographs, micrograph, micrographs, micrography, magnification, cyanobacterium, anabaena, filament, filamentsanabaena algae

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