> [!summary]- Classification **Kingdom**:: Animals **Phylum**:: Chordata **Subphylum**:: Tunicata **Superclass**:: **Class**:: Ascidiacea **Subclass**:: **Superorder**:: **Order**:: Stolidobranchia **Suborder**:: **Superfamily**:: **Family**:: Pyuridae **Subfamily**:: **Genus**:: Halocynthia **Species**:: H. papillosa **Vernacular**:: Red seasquirt ## Photos ![https://res.cloudinary.com/dt3d6t2ay/image/upload/v1693085641/obsidian/2023-05-13%20Epidaure%20APSAP/Ascidiacea/P5170258_ecx19q.jpg](https://res.cloudinary.com/dt3d6t2ay/image/upload/v1693085641/obsidian/2023-05-13%20Epidaure%20APSAP/Ascidiacea/P5170258_ecx19q.jpg) *[127 - 2023-05-17 - Labyrinthe de Zeus - Epidaurus - Greece](127%20-%202023-05-17%20-%20Labyrinthe%20de%20Zeus%20-%20Epidaurus%20-%20Greece.md) - We see the top of its inhalant siphon, open. On the left it's the exhaling siphon. (features of the ascidiacae class)* ![https://res.cloudinary.com/dt3d6t2ay/image/upload/v1693166754/obsidian/Mediterran%C3%A9e/2023-04-29%20-%20Sec%20d%27Alon%20et%20Grottes%20fauconi%C3%A8res/P4300627_toxbkf.jpg](https://res.cloudinary.com/dt3d6t2ay/image/upload/v1693166754/obsidian/Mediterran%C3%A9e/2023-04-29%20-%20Sec%20d%27Alon%20et%20Grottes%20fauconi%C3%A8res/P4300627_toxbkf.jpg) *[119 - 2023-04-30 - Sec d'Alon - Saint Cyr - France](119%20-%202023-04-30%20-%20Sec%20d'Alon%20-%20Saint%20Cyr%20-%20France.md) - Same species, but different country. Its siphon is closed.* ![https://res.cloudinary.com/dt3d6t2ay/image/upload/v1693166759/obsidian/Mediterran%C3%A9e/2023-04-29%20-%20Sec%20d%27Alon%20et%20Grottes%20fauconi%C3%A8res/P4290589_zaohp0.jpg](https://res.cloudinary.com/dt3d6t2ay/image/upload/v1693166759/obsidian/Mediterran%C3%A9e/2023-04-29%20-%20Sec%20d%27Alon%20et%20Grottes%20fauconi%C3%A8res/P4290589_zaohp0.jpg) *[117 - 2023-04-29 - Le Gibus - Saint Cyr - France](117%20-%202023-04-29%20-%20Le%20Gibus%20-%20Saint%20Cyr%20-%20France.md) - Can be gregarious. With a lot of species around, in pre-corraligenous: maybe [Spongia officinalis - Greek bathing sponge](Spongia%20officinalis%20-%20Greek%20bathing%20sponge.md) and [Eunicella cavolini - Yellow gorgonian](Eunicella%20cavolini%20-%20Yellow%20gorgonian.md) on the right, [Myriapora truncata - False coral](Myriapora%20truncata%20-%20False%20coral.md) underneath, [Parazoanthus axinellae - Yellow encrusting anemone](Parazoanthus%20axinellae%20-%20Yellow%20encrusting%20anemone.md) and maybe [Spirastrella cunctatrix - Orange encrusting sponge](Spirastrella%20cunctatrix%20-%20Orange%20encrusting%20sponge.md) on the left, and some [Lithophyllum spp. - Stone-leaf](Lithophyllum%20spp.%20-%20Stone-leaf.md) around that create this pre-corraligenous* ![https://res.cloudinary.com/dt3d6t2ay/image/upload/v1698270207/obsidian/Mediterran%C3%A9e/2023-07-30%20-%20Pointe%20de%20Seneyrolles%20w%20Jennifer/P7300174_lbhbyo.jpg](https://res.cloudinary.com/dt3d6t2ay/image/upload/v1698270207/obsidian/Mediterran%C3%A9e/2023-07-30%20-%20Pointe%20de%20Seneyrolles%20w%20Jennifer/P7300174_lbhbyo.jpg) *[137 - 2023-07-30 - Pointe de Seneyrolles - La Ciotat - France](137%20-%202023-07-30%20-%20Pointe%20de%20Seneyrolles%20-%20La%20Ciotat%20-%20France.md) - Can be very gregarious. With some [Spirastrella cunctatrix - Orange encrusting sponge](Spirastrella%20cunctatrix%20-%20Orange%20encrusting%20sponge.md).* ## Notes ## References - https://doris.ffessm.fr/Especes/Halocynthia-papillosa-Ascidie-rouge-317/(rOffset)/0 - https://en.wikipedia.org/wiki/Halocynthia_papillosa #to-contribute - [Découvrir la vie sous-marine - Méditerranée - Steven Weinberg](Découvrir%20la%20vie%20sous-marine%20-%20Méditerranée%20-%20Steven%20Weinberg.md) p392