| Brachionus urceolaris var. rubens lives commensally with the water flea Daphnia pulex. |
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| Brachionus urceolaris var. rubens focal plane on the ventral side of the lorica. |
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| Brachionus urceolaris var. rubens; focal plane on the dorsal (upper image) and ventral (lower image) anterior margin of the lorica. |
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| Brachionus urceolaris var. rubens; the foot is relatve short and enables the attachment on the lorica of Daphnia. |
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| see also >>> Brachionus urceolaris |
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| Location: Bochum, NRW, Germany; Lake Ümminger See |
| Habitat: Plankton |
| Date: 9.4.2009 |
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