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02-DEC-2007 donal

UPSIDE-DOWN JELLY Cassiopeia xamachana
This jelly flips upside-down and pulses to the seafloor. This way it exposes the symbiotic algae living inside its tissues to the light. The jelly lives off food the algae produce.

Olympus Stylus 300 DIGITAL
1/400s f/3.1 at 5.8mm iso80 full exif

other sizes: small medium original auto
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