The marine diatom
Asterionellopsis glacialis
Check out some better picures here and here.
*I am still experimenting with sample collection locations and and I hope to get access to a better microscope/camera setup, but I intend to make "In the bay" a regular feature of the blog. This image was taken on an old Bausch & Lomb compound microscope at ~100x with an inexpensive 0.3 megapixel digital camera. Water was collected with a fine meshed plankton net in a shallow cove on the north end of Aquidneck Island in Narragansett Bay, RI (see the red arrow below).
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