|Size [µm]||Females about 1000|
|Characteristics||Ventral valve rim straight, with mucro. Large compound eye, point-like nauplius eye. Prominent front cornet might be absent. Antennula little and inflexible. Antennae with 9 bristles. Light to dark brown. Often circling around underneath the water surface.|
|Habitate||Grazing the hyponeuston of still waters.|
|To see images, please click on thumbnails below.|
Note a number of parthenogenetic eggs.
Note the straight ventral valve rim.
Front view of the above individual.
Note two adhering ciliates in the lower valve region.
Female individual caught by a heliozoon.
The specimen could free himself after having been caught for 3 hours.
Individual from above after having escaped.
Note, that there is a piece of heliozoan cytoplasm still adhering to the right mucro tip.
|General informations from: H Streble and D Krauter: Das Leben im Wassertropfen. 8th edition, Frankh-Kosmos Verlag, Stuttgart 1988|
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This page last updated Oct 08, 2004.