| Tidal pool with filamentous green algae (Enteromorpha) , the turbidity of the water is caused by flagellated micro-algae. The yellow flakes beween the filaments may be |
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| mobile flagellated micro-alga with two flagella (arrows) and one haptonema (arrowhead), apikal view. |
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| Two specimens of the above mobile flagellated micro-alga. Left specimen: optical longitudinal transect with two long flagella (arrows) and one haptonema (arrowhead). The cell has two chloroplasts; preferably the posterior half of the cell is filled with granules at the inner side of the cell wall, which are also visible in the specimen on the right. |
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| Another specimen; optical longitudinal transect, focus plane on the ?chrysolaminarinbody? |
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| Several immobile structures with similar granules like on the motile forms |
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| Several rotifer species (Testudinella clypeata, Testudinella caeca, Encentrum marinum) have been found in this habitat and may be feeding on these micro-algae. |
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