![](http://www.alamy.com/thumbs/6/E4C8DA50-2D43-47FF-9D69-9CAFCE92A8FE/2JF6HR3.jpg)
tropical Sea Pen, Pteroides sp., photographed in the Philippines.
Size: 2271px × 3506px
Photo credit: © Alf Jacob Nilsen / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: anthozoa, cnidaria, feathers, invertebrate, invertebrates, octocorallia, pen, pennatulacea, pens, pteroeididae, pteroides, sea, sea-pen, sea-pens, seafeather, seapen, seapens, sjøfjæ, sjøpenn, sjøpenner