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Size [µm]
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Females 1600 to 3500
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Characteristics
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Antennulae are inserted on a protuberance of the rostrum. The rostrum itself is relatively short.
The rostrum shows a clear-cut curvature. Middle ventral region of the carapax valves with a bundle
of short hairs. Spina short, sometimes absent. Postabdomen with a series of teeth along the whole
length of a furca mount.
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Habitate
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Little ponds and lakes.
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To see images, please click on thumbnails below.
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Images
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Midsummer female.
About 2 mm in size.
From a little pond, island of Sylt/Germany.
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Rheinberg illumination.
Note the green gut filled with phytoplankton.
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Darkfield image.
Note the prominent pattern of the carapax valve.
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Polarisation microscopy,
Note the prominent antenna musculature and the postabdominal musculature.
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General informations from: H Streble and D Krauter: Das Leben im Wassertropfen. 8th edition,
Frankh-Kosmos Verlag, Stuttgart 1988
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