Credit: RICHARD BROOKS/SCIENCE PHOTO LIBRARY

Caption: Timelapse footage of a wall of migrating jellyfish in Jellyfish Lake in Palau, Micronesia. These jellyfish (Mastigias cf. papua etpisoni) in Jellyfish Lake have been isolated from their ocean relatives for some 12,000 years, and have developed a symbiotic relationship with photosynthetic algae that live in their tissues. To maximise the productivity of their algae, the jellyfish follow the sun on a daily cycle, swimming towards the eastern end of the lake at first light, then westwards as the sun moves through the sky. The jellyfish avoid the shade at the edges of the lake, forming a wall of jellyfish there. Footage sped up by eight times.

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Keywords: algae, animal, biological, biology, cnidarian, coelenterate, crowd, crowded, daily, day, daytime, diurnal, endosymbiont, fauna, fish, following, group, isolation, jellyfish, jellyfish lake, many, marine, mastigias cf. papua etpisoni, micronesia, migrating, migration, multiple, nature, palau, photosynthesis, replication, saline, saltwater, sped up, speeded up, stingless, sun, sunlight, sunlit, symbiosis, symbiotic, time-lapse, timelapse, underwater, unesco, wall, wildlife, world heritage site

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Jellyfish Lake daily migration

K003/4210 Rights Managed

Downloadable master

Duration: 00:00:21.09

Frame size: 1920x1080

Frame rate: 29.97

Audio: No

Format: QuickTime, Photo JPEG 100%, progressive scan, square pixels

File size: 817.1M

Original

Capture format: HDV

Codec: Apple ProRes 422 (HQ)

Interlaced: Yes

Please contact Science Photo Library if you require the original, or other formats.

 

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