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Bleached coral and giant clam

K004/8830

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Credit

DAVID IRELAND / SCIENCE PHOTO LIBRARY DAVID IRELAND / SCIENCE PHOTO LIBRARY

Caption

Bleached coral on a reef, contrasting with a healthy region of coral and a giant clam (Tridacna sp.). Bleaching occurs when corals expel their symbiotic algae, which normally inhabits their body tissues and is responsible for their colour. The algae photosynthesises and provides food for the coral, so its loss severely weakens to coral colony. Bleaching occurs in response to environmental stresses, including raised water temperatures. Healthy coloured corals are seen in the middle of the clip, with a giant clam seen at the end. Filmed on the Great Barrier Reef, Australia.

Release details

Model release not required. Property release not required.

Clip Properties:

  • Duration: 00:00:45
  • Audio: Yes
  • Original Frame Size: 3840x2160
  • Interlaced: No
  • Capture Format: Blackmagic
  • Codec: H.264

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