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AquaNISInformation system on aquatic non-indigenous and cryptogenic species |
| Species | Polyclinum aurantium [WoRMS] | |
| Authority | Milne Edwards, 1841 | |
| Family | Polyclinidae | |
| Order | Aplousobranchia | |
| Class | Ascidiacea | |
| Phylum | Chordata | |
| Synonym (?) | ||
| Sub-species level (?) | Not entered |
| Native origin (?) | Ocean: Atlantic --> Ocean region: NE Atlantic |
| Life form / Life stage (?) |
References (not structured): Carlisle, D. B. 1952. On ampullary tissue in the larva of Polyclinum aurantium Milne Edwards. Journal of the Marine Biological Association of the United Kingdom, 31(1), pp. 63-64. |
| Sociability / Life stage (?) |
References (not structured): Svane, I. 1984. On the occurrence of Polyclinum aurantium Milne-Edwards (Ascidiacea) in Gullmarsfjorden on the Swedish west coast. Sarsia, 69(3-4), pp. 195-197. |
| Reproductive frequency (?) | Iteroparous |
| Reproductive type (?) | Asexual Sexual References: Svane, I. 1984. On the occurrence of Polyclinum aurantium Milne-Edwards (Ascidiacea) in Gullmarsfjorden on the Swedish west coast. Sarsia, 69(3-4), pp. 195-197. Nakauchi, M. 1981. Development and budding in the oozooids of Polyclinum aurantium (a colonial ascidian)(Protochordata). Journal of Zoology, 194(1), pp. 1-9. |
| Developmental trait (?) | Spawning |
| Characteristic feeding method / Life stage (?) |
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| Mobility / Life stage (?) |
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| Salinity tolerance range (?) | Unknown Comments: Not available. |
| Habitat modifying ability potential (?) | Autogenic ecosystem engineers References: Carlisle, D. B. 1952. On ampullary tissue in the larva of Polyclinum aurantium Milne Edwards. Journal of the Marine Biological Association of the United Kingdom, 31(1), pp. 63-64. |
| Toxicity / Life stage (?) | Not relevant |
| Bioaccumulation association (?) | Unknown Comments: Not available. |
| Known human health impact? | Known Comments: Harmless. |
| Known economic impact? | Not known Comments: Not available. |
| Known measurable environmental impact? | Known References: Ooishi, S. 2005. Haplostomides hibernicus (Copepoda: Cyclopoida) living in the compound ascidian Polyclinum aurantium. Journal of Crustacean Biology, 25(2), pp. 181-189. |
| Included in the Target Species list? | No References: HELCOM, 2009. Alien Species and Ballast Water [PDF] Available at: https://archive.iwlearn.net/helcom.fi/stc/files/shipping/Table_2_Alienspecies_%20lists_2009.pdf [Accessed 1 July 2024]. |
| Association with vessel vectors (?) | Unknown Comments: Possible via biofouling. |
| Created by | Aleksas Narščius, 2017-10-11 |
| Last update by | Paola Forni, 2026-04-09 |