Pennatulacea Collection

Phosphorescent Seapen (Pennatula phosphorea) extends out of the muddy seabed in the calm waters of the upper reaches of a Scottish sea loch. Loch Duich, Ross and Cromarty, Scotland, UK, April

Plate 19 Pennatula Pennatulida from Kunstformen der Natur (Art Forms in Nature) illustrated by Ernst Haeckel (1834-1919)
5615737 Plate 19 Pennatula Pennatulida from Kunstformen der Natur (Art Forms in Nature) illustrated by Ernst Haeckel (1834-1919) by Haeckel

UW ET 1814 23
Short-nose Goby - on Sea Pen (Virgularia sp, Virgulariidae family, night dive - Tasi Tolu dive site, Dili, East Timor (Timor Leste) Date: 25-Feb-19

UW ET 1814 20
Short-nose Goby - on Sea Pen (Virgularia sp, Virgulariidae family, night dive - Tasi Tolu dive site, Dili, East Timor (Timor Leste) Date: 25-Feb-19

Pennatulacea sea pen corals: Umbellula encrinus 1, Halipteris finmarchica 2, Kophobelemnon leukarti 3, Renilla reniformis 4, 5, 6, Stylatula elegans 7, Stylatula kinbergi 8, Virgularia glacialis 9

Translucent coral goby (Bryaninops erythrops) in Seapen (Virgularia gustaviana). Komodo National Park, Indonesia. Indo-West Pacific

Umbellula thomsoni, deep-ocean sea pen
Umbellula thomsoni, named in honour of the Challenger Expeditionss scientific leader, Charles Wyville Thomson. The Voyage of H.M.S. Challenger (1872-1876) was funded by the British Government

Porcelain crab (Porcellanella triloba) on a sea pen (Virgularia sp.). The porcelain crab is feeding, using the large feathery appendage (maxilipeds)

Porcelain crab on a sea pen
Porcelain crab (Porcellanella triloba) on a sea pen (Virgularia sp.). Sea pens are colonial organisms related to sea feathers. Photographed off Rinca Island, Indonesia

Hydroid crab on a seasquirt (blue). The hydroid crab (Hyastenus bispinosus) has decorated its body with hydroid (Hydrozoa) polyps

Porcelain crabs on a sea pen
Porcelain crabs (Porcellanella triloba) on a sea pen (Virgularia sp.). Sea pena are colonial organisms related to sea feathers. Photographed off Rinca Island, Indonesia

Hydroid crab on a sea pen (Pteroides sp.). The hydroid crab (Porcellanella triloba) has decorated its body with hydroid (Hydrozoa) polyps. Sea pens are colonial organisms related to sea feathers

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The mesmerizing world of Pennatulacea comes to life in this captivating caption. A Phosphorescent Seapen, known as Pennatula phosphorea, gracefully extends out of the muddy seabed, illuminating the depths with its ethereal glow. Plate 19 from Ernst Haeckel's renowned Kunstformen der Natur showcases the intricate beauty of Pennatula Pennatulida, a true masterpiece of nature's artistry. UW ET 1814 23 and UW ET 1814 20 transport us into an underwater wonderland where these sea pen corals thrive. Intriguing marine creatures find solace within the embrace of these majestic seapens. The Translucent coral goby, Bryaninops erythrops, seeks refuge amidst the delicate branches of Seapen Virgularia gustaviana. Umbellula thomsoni stands tall as a deep-ocean sea pen, a testament to resilience in even the harshest environments. Porcelain crabs delicately perch upon these magnificent structures, their vibrant colors contrasting against the soft hues of their host seapens. They form an enchanting tableau - Porcelain crab on a sea pen - showcasing symbiotic harmony between two distinct species. Not to be outdone by porcelain crabs, Hydroid crab finds its own sanctuary atop a seasquirt nearby - an unexpected yet harmonious pairing that exemplifies nature's endless creativity. Pennatulacea invites us into its realm; it beckons us to explore its hidden wonders and marvel at its breathtaking diversity. From luminous phosphorescence to delicate inhabitants seeking shelter and companionship – this is a world where beauty knows no bounds and surprises await at every turn.