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Vesikirp perekonnast Kiivrik (Daphnia)
2023-07-09
- Classification
- Photograph
- Museum
- Wikimedia Commons
- Rights
- CC BY 4.0, as the museum states it.
- Who can see it
- Kids profiles and older: it shows nature, places, still life or a children's book. How works are placed
About this work
A water flea of genus Daphnia photographed under a microscope using an 8x objective. The specimen was collected on July 9, 2023. Of particular interest is the dark resting egg or ephippium in the dorsal brood pouch - this is a specialized resistant structure that forms when environmental conditions become unfavorable. The production of resting eggs is a survival strategy of water fleas, allowing them to survive adverse conditions, similar to plant seeds. The transparent body also shows a characteristic reticulated pattern and bluish tints. The specimen was photographed against a black background, which highlights the transparent carapace and the dark resting egg within. The lighting technique used was reflected light from a photographic speedlight flash, which particularly emphasizes the surface structures. The image was created using focus stacking technique, which ensures great depth of field throughout the subject.
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