An abyssal feather star (<a href="//commons.wikimedia.org/wiki/Category:Crinoidea" title="Category:Crinoidea">Crinoidea</a>), unidentified specimen of the <a href="//commons.wikimedia.org/wiki/Category:Bathycrinidae" title="Category:Bathycrinidae">Bathycrinidae</a> family, observed in deep water off Hawaii by Okeanos Explorer mission 2015. (identification : Christopher Mah, Lenaïg Hemery, Marc Eléaume).
NOAA Okeanos Explorer
<a rel="nofollow" class="external free" href="http://oceanexplorer.noaa.gov/okeanos/media/exstream/exstream_02.html">http://oceanexplorer.noaa.gov/okeanos/media/exstream/exstream_02.html</a>