Antarctic feather star species complex Promachocrinus 'kerguelensis' (Echinodermata: Crinoidea) - EVNautilus (Video source in post)
Sponge stalk that’s become prime habitat to ophiuroid brittle stars, crinoids, echinoderms, stalked hydroids, and different anemomes - EVNautilus
Winner of Light Microscopy Awards Show Artistry of Scientific Imaging- Photo by Laurent Formery (USA)