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Ascidians Collection

Ascidians, also known as sea squirts, are a fascinating group of marine organisms that can be found in various parts of the world

Background imageAscidians Collection: Sea Squirts, 1863-79 (colour litho)

Sea Squirts, 1863-79 (colour litho)
1001441 Sea Squirts, 1863-79 (colour litho) by Petraroja, Raimundo (fl.1863-79); Private Collection; (add.info.: A Atlante zoologico popolare)

Background imageAscidians Collection: A beautiful set of tiny tunicates grows on a reef in Indonesia

A beautiful set of tiny tunicates grows on a reef in Indonesia.This tropical region, within the Coral Triangle, is home to an incredible variety of marine life

Background imageAscidians Collection: Colorful tunicates grow among coral polyps

Colorful tunicates grow among coral polyps and other invertebrates in Komodo National Park, Indonesia. This beautiful area harbors extraordinary marine biodiversity

Background imageAscidians Collection: Underwater bouquet formed by cluster of ascidians, Bali, Indonesia

Underwater bouquet formed by cluster of ascidians, Bali, Indonesia
Underwater bouquet formed by cluster of blue, yellow, orange and red ascidians, Bali, Indonesia

Background imageAscidians Collection: Colorful tunicates grow on a reef in Indonesia

Colorful tunicates grow on a reef in Indonesia. This tropical region, within the Coral Triangle, is home to an incredible variety of marine life

Background imageAscidians Collection: A beautiful tunicate grows on a reef in Indonesia

A beautiful tunicate grows on a reef in Indonesia.This tropical region, within the Coral Triangle, is home to an incredible variety of marine life

Background imageAscidians Collection: Detail on the body of a Polycarpa tunicate

Detail on the body of a Polycarpa tunicate
Detail on the body of a tunicate (Polycarpa sp.) in Lembeh Strait, Indonesia. Lembeh Strait is known for its diverse array of bizarre marine organisms

Background imageAscidians Collection: Gas Mantle Ascidian (Corella parallelogramma) adult, in sea loch, Loch Fyne, Argyll and Bute

Gas Mantle Ascidian (Corella parallelogramma) adult, in sea loch, Loch Fyne, Argyll and Bute, Scotland, June

Background imageAscidians Collection: Football Sea-squirt (Diazona violacea) adults, colony in sea loch, Loch Carron, Ross and Cromarty

Football Sea-squirt (Diazona violacea) adults, colony in sea loch, Loch Carron, Ross and Cromarty, Highlands, Scotland, June

Background imageAscidians Collection: Sea-squirt (Ascidia mentula) adult, with open siphon, Brandy Bay, Isle of Purbeck, Dorset

Sea-squirt (Ascidia mentula) adult, with open siphon, Brandy Bay, Isle of Purbeck, Dorset, England, August

Background imageAscidians Collection: Seahorse and sea squirts

Seahorse and sea squirts
Seahorse with sea squirts. Seahorse (Hippocampus sp.) with stalked green ascidians, or grape tunicates, (Oxycorynia fascicularis) on a reef

Background imageAscidians Collection: Ascidian sea squirts

Ascidian sea squirts (Pycnoclavella detorta) on a reef. Photographed in Indonesia

Background imageAscidians Collection: Sea squirts on coral

Sea squirts on coral. Stalked green ascidians or grape tunicates (Oxycorynia fascicularis) attached to a reef. Sea squirts filter plankton from the water current which circulates through them

Background imageAscidians Collection: Coral reef community

Coral reef community. Coral reefs are extensive and diverse marine ecosystems. Corals themselves are tiny animals that live in colonies

Background imageAscidians Collection: Triplefin

Triplefin (family Tripterygiidae) amongst ascidians and sponges on a reef. Photographed off the Komodo National Park, Komodo, Indonesia

Background imageAscidians Collection: Ascidians - all ascidians have an incurrent aperture and an out current one - Indonesia

Ascidians - all ascidians have an incurrent aperture and an out current one - Indonesia
VT-8918 Ascidians - all ascidians have an incurrent aperture and an out current one Indonesia Pycnoclavella sp. Valerie & Ron Taylor Please note that prints are for personal display purposes only

Background imageAscidians Collection: Ascidian, Pentacta lutea. small ascidians, (Didemnum molle) Two species of ascidian living in

Ascidian, Pentacta lutea. small ascidians, (Didemnum molle) Two species of ascidian living in harmony with a soft coral
VT-8916 Two species of ascidian living in harmony with a soft coral Indonesia Pentacta lutea (Didemnum molle) Valerie & Ron Taylor Please note that prints are for personal display purposes only


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Ascidians, also known as sea squirts, are a fascinating group of marine organisms that can be found in various parts of the world. One such place is Indonesia, where a beautiful set of tiny tunicates grows on a vibrant reef. These colorful tunicates form an underwater bouquet among the coral polyps, creating a mesmerizing sight. In Bali, Indonesia, you can witness the stunning display growing on a reef. Their vivid colors add to the already breathtaking beauty of this underwater paradise. Each tunicate seems like a work of art itself, with intricate details adorning their bodies. Moving to Scotland's Loch Fyne and Loch Carron, we encounter different species thriving in these sea lochs. The Gas Mantle Ascidian showcases its adult form gracefully while residing in the depths of Loch Fyne. Meanwhile, Diazona violacea forms colonies resembling footballs within Loch Carron. Not limited to Scotland alone, England's Brandy Bay also hosts an intriguing species called Ascidia mentula. This particular sea-squirt displays its open siphon proudly as it resides off the coast of Isle Purbeck during August. These diverse species come together to create vibrant coral reef communities worldwide. They contribute not only to the visual splendor but also play crucial roles in maintaining ecological balance beneath our oceans' surfaces. Whether they are forming clusters or standing individually like delicate bouquets on reefs around Indonesia or showcasing their unique features in Scottish and English waters – ascidians never fail to captivate us with their beauty and diversity.