A distinctive species with a long apical horn and a long left antapical horn. The left anatapical horn is very short. This species is found in oceanic coastal and estuarine sites. It is known to form blooms in autumn in the North and Irish Sea. This image was provided by Alex Kraberg of the Port Erin Marine Laboratory, Isle of Man. Image copyright: Alex Kraberg, image used under license to MBL (micro*scope).
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From the collection
Phytoplankton of the Irish Sea
|Description of Ceratium fusus: Cells contain numerous yellow-brown chloroplasts. Needle-shaped, elongated cells with curved outline, widest at the cingulum area. The epitheca is gently tapering into a long anterior horn. The hypotheca is extending into a very long left and a rudimentary tooth-like right antapical horn. The thecal plates are ornamented. Plates in the central area on the ventral side are very delicate. The nucleus is situated in the epicone. |