From the source:<br>
"A seabed drifter with stem. The yellow disc is just over 7 inches in diameter, the red stem about 22 inches long. Drifter courtesy Pat Gerrior. Photo credit: Shelley Dawicki, NEFSC/<a href="https://en.wikipedia.org/wiki/NOAA" class="extiw" title="w:NOAA">NOAA</a>"
Photo credit: Shelley Dawicki, NEFSC/NOAA
<p>Slideshow embedded in U.S. government website:
<a rel="nofollow" class="external free" href="http://www.nefsc.noaa.gov/news/features/drift_bottles/">http://www.nefsc.noaa.gov/news/features/drift_bottles/</a>
<br><br>Wayback Machine archive:
</p>
<a rel="nofollow" class="external free" href="https://web.archive.org/web/20160725003703/http://www.nefsc.noaa.gov/news/features/drift_bottles/">https://web.archive.org/web/20160725003703/http://www.nefsc.noaa.gov/news/features/drift_bottles/</a>