Tetrasiphon hydrocora, ventral view. Image taken without coverslip. Grey arrows: dorsal antenna, lateral antenna. White arrows: pair of gastric glands.
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| Lateral view of a slightly compressed specimen. (E): eyespot, (MD): gastric glands, (V): vitellarium, (G): ring of glands between stomach and intestinum, (MA) intestinum, (S): resting egg, (K) adhesive glands. |
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| Tetrasiphon hydrocora unfolding the corona (white arrows). (E): eyespot. |
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| Tetrasiphon hydrocora whirling. White arrows: corona. (E): eyespot. |
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| Top view on the dorsal antennas. |
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| Lateral antenna. |
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| Pair of reniform gastric glands. |
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| Darkfield image of the intestinum. As described in literature, T. hydrocora is specialized in feeding desmids, in this case Tetmemorus granulatus (T). (S): resting egg. |
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| Resting egg with helmet-shaped hairs. |
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| Ribbon-like Vitellarium with approximately 30 nuclei. |
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View on the nephridial system (yellow arrows). (T): terminal-cell.
(M): muscle fibres, (A): amoeboid tissue, (V): Vitellarium |
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Detail of the nephridial system: terminal-cell.
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| Detail of the nephridial system: cilia-cell. |
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| Tetrasiphon hydrocora, trophi |
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Location: Moor near lake Serrahn, Mecklenburg-Vorpommern/Germany
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Habitat: Submersed moss , together with Beauchampiella eudactylota
About one specimen per 25 ml. Conductance-value: 20µS, pH: 5.3.
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Date: collected 17.7.2015, images: 04.8.2015
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All images courtesy of Richard Scholz.
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