DENNIS KUNKEL MICROSCOPY / SCIENCE PHOTO LIBRARY DENNIS KUNKEL MICROSCOPY / SCIENCE PHOTO LIBRARY
Coloured scanning electron micrograph (SEM) of Marine anaerobic spirillum and vibriod bacteria. This bacteria are unidentified spirillum-shaped and vibriod-shaped bacteria from the Black Sea (140 meter depth). The Black Sea is characterized by a permanently stratified water column and represents the largest anoxic basin in the world. The stratified water column in the Black Sea is believed to host more active and diverse microbial assemblages than anywhere else in the pelagic oceans. Magnification: x3,400 when shortest axis printed at 25 millimetres.
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