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Tunicata Collection

"Tunicata: A Vibrant World Under the Sea" Dive into the fascinating world of tunicates, also known as sea squirts

Background imageTunicata Collection: Nudibranchs (Nembrotha chamberlaini) feeding on Tunicates (sea squirt) on a coral reef

Nudibranchs (Nembrotha chamberlaini) feeding on Tunicates (sea squirt) on a coral reef. Anilao, Batangas, Luzon, Philippines. Verde Island Passages, Tropical West Pacific Ocean

Background imageTunicata Collection: Red sea fan (Paramuricea clavata) with gorgonian corals and Light-bulb sea squirt

Red sea fan (Paramuricea clavata) with gorgonian corals and Light-bulb sea squirt (Clavelina lepadiformis) Punta Carena, Capri Island, Sorrentine Peninsula, Italy, Tyrrhenian Sea, Mediterranean

Background imageTunicata Collection: A Giant rock scallop (Crassadoma gigantea) encrusted with

A Giant rock scallop (Crassadoma gigantea) encrusted with and surrounded by several other invertebrates animals, including White anemones (Metridium sp.), White mushroom ascidians (Distaplia sp.)

Background imageTunicata Collection: Colonial anemones (Amphianthus nitidus) with Green urn sea squirts (Didemnum molle)

Colonial anemones (Amphianthus nitidus) with Green urn sea squirts (Didemnum molle) (Atriolum robustum). Lembeh Strait, North Sulawesi, Indonesia

Background imageTunicata Collection: Goldring tunicate (Clavelina robusta) Puerto Galera, Philippines

Goldring tunicate (Clavelina robusta) Puerto Galera, Philippines

Background imageTunicata Collection: Ascidian / Sea squirt (Ascidiacea) close-up. Bohai Sea, Yellow Sea. Zhifu Island

Ascidian / Sea squirt (Ascidiacea) close-up. Bohai Sea, Yellow Sea. Zhifu Island, Shandong Province, China

Background imageTunicata Collection: Ascidian (Rhopalaea sp) Tubbataha Reef Natural Park, UNESCO World Heritage Site, Sulu Sea

Ascidian (Rhopalaea sp) Tubbataha Reef Natural Park, UNESCO World Heritage Site, Sulu Sea, Cagayancillo, Palawan, Philippines

Background imageTunicata Collection: Slender sapsucking slug (Thuridilla gracilis) on surface of Royal seasquirt

Slender sapsucking slug (Thuridilla gracilis) on surface of Royal seasquirt (Polycarpa aurata) Aljui Bay, Waigeo Island, Raja Ampat, West Papua, Indonesia. Tropical West Pacific Ocean

Background imageTunicata Collection: UW INDO 2022 41

UW INDO 2022 41
Yaeyama Blenny - with colony of Robust Sea Squirts Tunicate, Atriolum robustum - Emerald dive site, Seraya, Karangasem, Bali, Indonesia

Background imageTunicata Collection: UW INDO 1906 56

UW INDO 1906 56
Female Rhinocerous Triplefin - with Colonial Tunicates, Atriolum robustum - Pantai Lahar dive site, Seraya, Kubu district, Karangasem, Bali, Indonesia, Indian Ocean Date: 09-Nov-19

Background imageTunicata Collection: 13131096

13131096
Sea Squirt covered with sponge (Porifera Phylum) - Muka Linggua dive site, Bangka Island, north Sulawesi, Indonesia, Pacific Ocean Date: 24-03-2016

Background imageTunicata Collection: 13131095

13131095
Sea Squirt covered with tunicates - Muka Linggua dive site, Bangka Island, north Sulawesi, Indonesia, Pacific Ocean Date: 24-03-2016

Background imageTunicata Collection: Detail of Light-bulb sea squirts (Clavelina lepadiformis), Swanage, Dorset, UK

Detail of Light-bulb sea squirts (Clavelina lepadiformis), Swanage, Dorset, UK, English Channel

Background imageTunicata Collection: Humboldt squid, Dosidicus gigas

Humboldt squid, Dosidicus gigas (Balloon cuttlefish, Sepia tunicata). Illustration drawn and engraved by Richard Polydore Nodder

Background imageTunicata Collection: Seafan / Red gorgonian (Paramuricea clavata) and Light-bulb sea squirt

Seafan / Red gorgonian (Paramuricea clavata) and Light-bulb sea squirt (Clavelina lepadiformis) Punta Carena, Capri Island, Sorrentine Peninsula, Italy, Tyrrhenian Sea, Mediterranean

Background imageTunicata Collection: Tiny snapping shrimp (Synalpheus sp. ) looks out from within sea squirt (Didemnum molle

Tiny snapping shrimp (Synalpheus sp. ) looks out from within sea squirt (Didemnum molle
Tiny snapping shrimp (Synalpheus sp.) looks out from within sea squirt (Didemnum molle) at night on a coral reef. Piaynemo Island, Raja Ampat, West Papua, Indonesia

Background imageTunicata Collection: Painted tunicate (Clavelina picta), Cienaga de Zapata National Park, Matanzas Province

Painted tunicate (Clavelina picta), Cienaga de Zapata National Park, Matanzas Province, Cuba

Background imageTunicata Collection: Abandonded fishing gear in seagrass meadow, with red sea squirt (Halocynthia papillosa)

Abandonded fishing gear in seagrass meadow, with red sea squirt (Halocynthia papillosa), Samaria National Park, Chania, Crete, Greece

Background imageTunicata Collection: Kaleidoscopic image of Tunicates including Golden seasquirt (Polycarpa aurata) Lembeh Strait

Kaleidoscopic image of Tunicates including Golden seasquirt (Polycarpa aurata) Lembeh Strait, North Sulawesi, Indonesia

Background imageTunicata Collection: Amphipod (Amphipoda) living inside sea squirt (Rhopalaea sp. ) Anilao, Batangas, Luzon, Philippines

Amphipod (Amphipoda) living inside sea squirt (Rhopalaea sp. ) Anilao, Batangas, Luzon, Philippines
Amphipod (Amphipoda) living inside sea squirt (Rhopalaea sp.) Anilao, Batangas, Luzon, Philippines. Verde Island Passages, Tropical West Pacific Ocean

Background imageTunicata Collection: Two Bakers cyclosalps -Cyclosalpa bakeri-, Japan Sea, Primorsky Krai, Russian Federation

Two Bakers cyclosalps -Cyclosalpa bakeri-, Japan Sea, Primorsky Krai, Russian Federation

Background imageTunicata Collection: Colony Bakers cyclosalpa -cyclosalpa bakeri-, salp, Japan Sea, Primorsky Krai, Russian Federation

Colony Bakers cyclosalpa -cyclosalpa bakeri-, salp, Japan Sea, Primorsky Krai, Russian Federation, Far East

Background imageTunicata Collection: Detail of sea squirt

Detail of sea squirt
Detail of branching inside a sea squirt. Photographed on reef off Halmahera, Maluku Islands, Indonesia

Background imageTunicata Collection: Salp colony

Salp colony (Cyclosalpa). Salps are tubular shaped gelatinous marine animals. Multiple individuals join together to form long colonies that feed on phytoplankton


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"Tunicata: A Vibrant World Under the Sea" Dive into the fascinating world of tunicates, also known as sea squirts, and witness the incredible interactions that take place in their vibrant ecosystem. In one captivating scene, nudibranchs called Nembrotha chamberlaini can be seen delicately feeding on these tunicates on a coral reef. The colorful nudibranchs gracefully navigate through the water, their striking patterns contrasting against the sea squirts' soft bodies. Moving to another corner of this underwater paradise, a mesmerizing sight unfolds. A red sea fan adorned with gorgonian corals stands tall amidst a cluster of light-bulb sea squirts. This intricate display showcases nature's artistry at its finest. As we explore further, our attention is drawn to a giant rock scallop encrusted with various marine organisms. Its shell serves as an anchor for life beneath the waves, providing shelter and sustenance for countless creatures. Venturing to the west coast of Scotland in July reveals an enchanting encounter with maidens salp (Thetys vagina). These ethereal beings drift effortlessly through the currents, leaving spectators in awe of their graceful movements. Traveling across continents to Puerto Galera in the Philippines unveils yet another wonder – goldring tunicate (Clavelina robusta). Their golden hues shimmer under sunlight and add a touch of elegance to this already breathtaking seascape. A closer look brings us face-to-face with Thuridilla gracilis - a slender sapsucking slug gliding along the surface of royal seasquirt. This delicate creature leaves behind trails that tell tales of its journey through this remarkable habitat. UW INDO 2022 41 and UW INDO 1906 56 capture fleeting moments frozen in time – snapshots that allow us to appreciate both beauty and fragility within this underwater realm.