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Thursday, September 27th, 2007
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Featherduster Worm

From our saltwater aquarium. This is a worm that lives in (and creates) a tube; it has a crown of feathery wisps that it uses to extract phytoplankton and other nutrients from the water. It is light sensitive; if you pass a hand between the aquarium lamps such that it is shadowed, it will retract in a fraction of a second, leaving what looks like an empty tube. The feathers you see here are about two inches across, so it is quite large and easy to observe.

#aquarium

EXIF:

Width: 1881
Height: 1455
Company:  Olympus optical co.,ltd
Camera:  E-20,E-20N,E-20P
Shot On:  2007:09:27 20:33:03
Aperture:  ƒ/2.4
Exposure Time:  1/100th second
Exposure Program:  Normal Program
ISO:  80

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