pl23_expn2690.jpg
![A sea pen on a sand and pebble substrate expn2690.jpg A sea pen on a sand and pebble substrate](https://s3.amazonaws.com/s3-east-testmedia-noaa.woc.noaa.gov/dam/Photos/legacy/pl23_expn2690.jpg)
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https://www.noaa.gov/media/digital-library-photo/pl23expn2690jpgDescription
A sea pen on a sand and pebble substrate.
Credit
NOAA OKEANOS EXPLORER Program; Our Deepwater Backyard
Display Date
20140925T140412Z
Collection
Voyage to Inner Space
Ocean Exploration Collections
Modern Expeditions
Our Deepwater Backyard 2014