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| Country: | France |
| NMTW Rating: | |
| Length: | 10 min |
Description:
This film offers an intimate view of sand and rock sea urchins. On a beach, a man unearths a sand urchin, carefully returning it to the sand where it disappears into the grains. Close-up imagery reveals how the urchin extracts nutrients from the sand through its intestines. Using 200,000x magnification, we examine the suckered spines of a rock urchin, illustrated to demonstrate their function. The urchin approaches a rock, and we observe its three-fingered jaws – pedicellaria – filtering algae and debris. Microscopic views reveal cilia, less than 0.001 ml long, constantly in motion, creating whirlpools. The film concludes with a sunset on the shore, interspersed with occasional French subtitles highlighting specific details to observe.
| Alternative title: | Les oursins |
| Release year: | 1929 |
| Language: | French |
| Director: | Jean Painlevé |
| Type: | Movie |
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