Cormacs Coast<p>European Common Sea-urchin (Echinus esculentus) shell fragments. <br>County Kerry, Ireland.</p><p>Cormacscoast.com walking tours </p><p><a href="https://mastodon.sdf.org/tags/wildatlanticway" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>wildatlanticway</span></a> <a href="https://mastodon.sdf.org/tags/walkingtours" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>walkingtours</span></a> <a href="https://mastodon.sdf.org/tags/discoverireland" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>discoverireland</span></a> <a href="https://mastodon.sdf.org/tags/keepdiscovering" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>keepdiscovering</span></a> <a href="https://mastodon.sdf.org/tags/marinelife" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>marinelife</span></a> <a href="https://mastodon.sdf.org/tags/biodiversity" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>biodiversity</span></a> <a href="https://mastodon.sdf.org/tags/seaurchin" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>seaurchin</span></a> <a href="https://mastodon.sdf.org/tags/Ireland" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Ireland</span></a></p>
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#SeaUrchin
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David PoertnerA long exposure of the sea at ‘Praia de Feiticeira’ (Feiticeira beach) on Ilha Grande (RJ, Brazil). The sea urchin up front at the beach was the perfect addition, and hopefully he made it back to the sea with the next tide.<br>
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Nikon D700<br>
AF-S NIKKOR 24-70 f2.8G ED<br>
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--<br>
<a href="https://pixelfed.social/discover/tags/IlhaGrande?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#IlhaGrande</a> <a href="https://pixelfed.social/discover/tags/RioDeJaneiro?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#RioDeJaneiro</a> <a href="https://pixelfed.social/discover/tags/rj?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#rj</a> <a href="https://pixelfed.social/discover/tags/brasil?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#brasil</a> <a href="https://pixelfed.social/discover/tags/brazil?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#brazil</a> <a href="https://pixelfed.social/discover/tags/sea?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#sea</a> <a href="https://pixelfed.social/discover/tags/meer?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#meer</a> <a href="https://pixelfed.social/discover/tags/atlantic?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#atlantic</a> <a href="https://pixelfed.social/discover/tags/ilha?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#ilha</a> <a href="https://pixelfed.social/discover/tags/island?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#island</a> <a href="https://pixelfed.social/discover/tags/insel?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#insel</a> <a href="https://pixelfed.social/discover/tags/SeaUrchin?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#SeaUrchin</a> <a href="https://pixelfed.social/discover/tags/Seeigel?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#Seeigel</a> <a href="https://pixelfed.social/discover/tags/praia?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#praia</a> <a href="https://pixelfed.social/discover/tags/beach?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#beach</a> <a href="https://pixelfed.social/discover/tags/strand?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#strand</a> <a href="https://pixelfed.social/discover/tags/longexposure?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#longexposure</a> <a href="https://pixelfed.social/discover/tags/langzeitbelichtung?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#langzeitbelichtung</a> <a href="https://pixelfed.social/discover/tags/travel?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#travel</a> <a href="https://pixelfed.social/discover/tags/reise?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#reise</a> <a href="https://pixelfed.social/discover/tags/art?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#art</a> <a href="https://pixelfed.social/discover/tags/nature?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#nature</a> <a href="https://pixelfed.social/discover/tags/natur?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#natur</a> <a href="https://pixelfed.social/discover/tags/MastodonArt?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#MastodonArt</a> <a href="https://pixelfed.social/discover/tags/photography?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#photography</a> <a href="https://pixelfed.social/discover/tags/photo?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#photo</a> <a href="https://pixelfed.social/discover/tags/landscape?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#landscape</a> <a href="https://pixelfed.social/discover/tags/seascape?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#seascape</a> <a href="https://pixelfed.social/discover/tags/landscapephotography?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#landscapephotography</a> <a href="https://pixelfed.social/discover/tags/travelphotography?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#travelphotography</a> <a href="https://pixelfed.social/discover/tags/naturephotography?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#naturephotography</a> <a href="https://pixelfed.social/discover/tags/nikon?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#nikon</a> <a href="https://pixelfed.social/discover/tags/d700?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#d700</a> <a href="https://pixelfed.social/discover/tags/davidpoertner?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#davidpoertner</a> <a href="https://pixelfed.social/discover/tags/davidpoertnerphotography?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#davidpoertnerphotography</a>
Cormacs Coast<p>A Squat Lobster (Galathea squamifera) emerging from beneath a Green sea-urchin (Psammechinus miliaris).<br>County Clare, Ireland.</p><p>Cormacscoast.com walking tours </p><p><a href="https://mastodon.sdf.org/tags/wildatlanticway" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>wildatlanticway</span></a> <a href="https://mastodon.sdf.org/tags/walkingtours" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>walkingtours</span></a> <a href="https://mastodon.sdf.org/tags/discoverireland" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>discoverireland</span></a> <a href="https://mastodon.sdf.org/tags/keepdiscovering" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>keepdiscovering</span></a> <a href="https://mastodon.sdf.org/tags/marinelife" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>marinelife</span></a> <a href="https://mastodon.sdf.org/tags/biodiversity" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>biodiversity</span></a> <a href="https://mastodon.sdf.org/tags/seaurchin" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>seaurchin</span></a> <a href="https://mastodon.sdf.org/tags/squatlobster" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>squatlobster</span></a> <a href="https://mastodon.sdf.org/tags/Ireland" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Ireland</span></a></p>
Adrianna Tan<p>I came across a local crafter making merino beanies DYED WITH PURPLE SEA URCHINS (urchins are super invasive and we need to remove them asap from areas where there’s kelp for the rest of the animals and kelp) and of course I’m going to get one </p><p>You can get it at the Sealevel SF holiday bazaar Dec 14-22 or message Seelie Studio </p><p><a href="https://sealevelsf.com/pages/events" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="">sealevelsf.com/pages/events</span><span class="invisible"></span></a></p><p><a href="https://hachyderm.io/tags/Marine" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Marine</span></a> <a href="https://hachyderm.io/tags/Urchins" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Urchins</span></a> <a href="https://hachyderm.io/tags/SeaUrchin" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>SeaUrchin</span></a> <a href="https://hachyderm.io/tags/California" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>California</span></a></p>
PLOS Biology<p>What does <a href="https://fediscience.org/tags/BetaCatenin" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>BetaCatenin</span></a> do during early <a href="https://fediscience.org/tags/embryogenesis" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>embryogenesis</span></a>? @evoinside_lab uses an inducible KD system to determine the spatiotemporal roles played by nuclear b-catenin in the early <a href="https://fediscience.org/tags/SeaUrchin" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>SeaUrchin</span></a> embryo @biodev_vlfr <a href="https://fediscience.org/tags/PLOSBiology" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>PLOSBiology</span></a> <a href="https://plos.io/48PgcML" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="">plos.io/48PgcML</span><span class="invisible"></span></a></p>
Lukas VF Novak<p>Sea urchins: A surprising delicacy for sharks <a href="https://phys.org/news/2024-10-sea-urchins-delicacy-sharks.html" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">phys.org/news/2024-10-sea-urch</span><span class="invisible">ins-delicacy-sharks.html</span></a> paper: <a href="https://www.frontiersin.org/journals/marine-science/articles/10.3389/fmars.2024.1418506/full" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">frontiersin.org/journals/marin</span><span class="invisible">e-science/articles/10.3389/fmars.2024.1418506/full</span></a></p><p>"<a href="https://scholar.social/tags/Lobsters" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Lobsters</span></a> are widely accepted as the key predator of <a href="https://scholar.social/tags/SeaUrchins" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>SeaUrchins</span></a>, and this information has informed management strategies to control exploding <a href="https://scholar.social/tags/SeaUrchin" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>SeaUrchin</span></a> numbers that threaten temperate <a href="https://scholar.social/tags/reefs" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>reefs</span></a>... In a new study, a camera was set up in a <a href="https://scholar.social/tags/lobster" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>lobster</span></a> den and sea urchins were strategically placed in it. Surprisingly, the majority of the sea urchins were eaten—not by lobsters—but by <a href="https://scholar.social/tags/sharks" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>sharks</span></a>."</p>
Eyeling<p>Second batch of <a href="https://mastodon.art/tags/SeaUrchin" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>SeaUrchin</span></a> photos edited. </p><p><a href="https://mastodon.art/tags/macrophotography" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>macrophotography</span></a> <a href="https://mastodon.art/tags/focusstacking" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>focusstacking</span></a></p>
Dave<p>By The Power of Greyskull</p><p>The now bald shell is all that remains of this Echinocardium cordatum, also known as the common heart urchin or the sea potato, after it has lost its spines.</p><p><a href="https://mastodonapp.uk/tags/Photo" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Photo</span></a> <a href="https://mastodonapp.uk/tags/Photography" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Photography</span></a> <a href="https://mastodonapp.uk/tags/Beach" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Beach</span></a> <a href="https://mastodonapp.uk/tags/SeaUrchin" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>SeaUrchin</span></a> <a href="https://mastodonapp.uk/tags/NaturePhotography" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>NaturePhotography</span></a> <a href="https://mastodonapp.uk/tags/Northumberland" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Northumberland</span></a></p>
PLOS Biology<p><a href="https://fediscience.org/tags/SymmetryBreaking" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>SymmetryBreaking</span></a> in sea urchins. Early D/V axis in <a href="https://fediscience.org/tags/SeaUrchin" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>SeaUrchin</span></a> embryo depends on inhibin-like TGF-β Panda, but how? Study shows that Panda sequesters TGF-β type II receptor ACVRII, promoting (rather than antagonizing) Nodal signaling <a href="https://fediscience.org/tags/PLOSBiology" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>PLOSBiology</span></a> <a href="https://plos.io/4cDs7On" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="">plos.io/4cDs7On</span><span class="invisible"></span></a></p>
IT News<p>Time and Tide Are One Thing - The rise of 3D printing has given us incredible things, from awesome tchotchkes to... - <a href="https://hackaday.com/2023/09/19/time-and-tide-are-one-thing/" rel="nofollow noopener noreferrer" target="_blank"><span class="invisible">https://</span><span class="ellipsis">hackaday.com/2023/09/19/time-a</span><span class="invisible">nd-tide-are-one-thing/</span></a> <a href="https://schleuss.online/tags/3dprintedfascinator" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>3dprintedfascinator</span></a> <a href="https://schleuss.online/tags/seaurchinhats" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>seaurchinhats</span></a> <a href="https://schleuss.online/tags/3dprintedhat" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>3dprintedhat</span></a> <a href="https://schleuss.online/tags/clockhacks" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>clockhacks</span></a> <a href="https://schleuss.online/tags/seaurchin" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>seaurchin</span></a> <a href="https://schleuss.online/tags/tideclock" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>tideclock</span></a> <a href="https://schleuss.online/tags/ledhacks" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>ledhacks</span></a> <a href="https://schleuss.online/tags/clock" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>clock</span></a></p>
Shantell Powell<p>Ink illustrations I made from specimens at a zoology laboratory in 2019. I get to do it again in a couple of weeks. I’m a member of the Southern Ontario Nature and Science Illustrators. <a href="https://c.im/tags/NatureIllustration" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>NatureIllustration</span></a> <a href="https://c.im/tags/Illustration" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Illustration</span></a> <a href="https://c.im/tags/Illustrator" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Illustrator</span></a> <a href="https://c.im/tags/ArtistsOnMastodon" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>ArtistsOnMastodon</span></a> <a href="https://c.im/tags/InkDrawing" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>InkDrawing</span></a> <a href="https://c.im/tags/SeaUrchin" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>SeaUrchin</span></a> <a href="https://c.im/tags/Hornbill" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Hornbill</span></a> <a href="https://c.im/tags/skull" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>skull</span></a> <a href="https://c.im/tags/birds" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>birds</span></a> <a href="https://c.im/tags/ScienceIllustration" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>ScienceIllustration</span></a> <a href="https://c.im/tags/IndigenousCreatives" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>IndigenousCreatives</span></a></p>
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