AquaNISInformation system on aquatic non-indigenous and cryptogenic species |
Species | Pinctada imbricata radiata [WoRMS] | |
Authority | (Leach, 1814) | |
Family | Margaritidae | |
Order | Ostreida | |
Class | Bivalvia | |
Phylum | Mollusca | |
Synonym (?) | Avicula albina var. vaillanti Vassel, 1897 Avicula radiata Leach, 1814 Meleagrina conomenosi Monterosato, 1884 Meleagrina savignyi Monterosato, 1884 |
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Sub-species level (?) | Not entered |
Native origin (?) | LME: 33. Red Sea --> LME sub-region: Indo-Pacific References (not structured): SERBETIS, C.D (1963) L’acclimatation de la Meleagrina(Pinctada) margaritifera (Lam.) en Grèce. Rapp. Comm. int. Medit., 17:271-272. Comments: recent records in Greece correspond to areas where the species was intentionally introduced for marine farming (Serbetis, 1963). |
Life form / Life stage (?) |
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Sociability / Life stage (?) |
References (not structured): Tlig-Zouari, S., Rabaoui, L., Irathni, I., & Ben Hassine, O. K. (2009). Distribution, habitat and population densities of the invasive species Pinctada radiata (Molluca: Bivalvia) along the Northern and Eastern coasts of Tunisia. Cahiers de biologie marine, 50(2), 131. Comments: It generally occurs in low-medium densities |
Reproductive frequency (?) | Iteroparous References (not structured): O'Connor, W. A., & Lawler, N. F. (2004). Reproductive condition of the pearl oyster, Pinctada imbricata, Röding, in Port Stephens, New South Wales, Australia. Aquaculture Research, 35(4), 385-396. Comments: reproductive peaks from late spring to early autumn, with oysters in poor reproductive conditions during winter |
Reproductive type (?) | Sexual References: Zaouali T. and Zaouali J (1994) Reproduction de Pinctada radiata (Leach, 1814, Mollusque, Bivalve) dans les îles Kerkennah (Tunisie). Vie Marine, Marseille, 4(1): 41-45. Comments: Protandric hermaphrodite species with sex inversion occurring in shells 32-57 mm. Gonad maturity is controlled by temperature (Zaouali and Zaouali, 1994). |
Developmental trait (?) | Lecithotrophy Spawning References: O'Connor, W. A., & Lawler, N. F. (2004). Reproductive condition of the pearl oyster, Pinctada imbricata, Röding, in Port Stephens, New South Wales, Australia. Aquaculture Research, 35(4), 385-396. Comments: veliger larva |
Characteristic feeding method / Life stage (?) |
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Mobility / Life stage (?) |
References (not structured): OLIVERIO, M., G. GEROSA & M. COCCO. 1992. First record of Pinctada radiata (Bivalvia, Pteri- idae) epibiont on the loggerhead sea turtle Caretta caretta (Chelonia, Cheloniidae). Boll. Malacol., 28(5-12): 149-152 Comments: It has been found as epibiont on the loggerhead sea turtle |
Salinity tolerance range (?) | Venice system: 7. Euhaline [30-40psu] References: O'Connor, W. A., & Lawler, N. F. (2004). Reproductive condition of the pearl oyster, Pinctada imbricata, Röding, in Port Stephens, New South Wales, Australia. Aquaculture Research, 35(4), 385-396. Comments: Embryos didn't develop to veliger stage at 26 ppt or less. At salinities of 32-35 ppt, percentage of development of emrbyos to veliger is 100% in 24 h. |
Habitat modifying ability potential (?) | Autogenic ecosystem engineers |
Toxicity / Life stage (?) | Not relevant |
Bioaccumulation association (?) | Anthropogenic chemical compounds References: Abdel-Mohsen, H. A., Ismail, M. M., Moussa Moussa, R. 2024. Hazardous impacts of heavy metal pollution on biometric and biochemical composition of pearl oyster Pinctada radiata from five sites along Alexandria coast, with reference to its potential health risk assessment. Environmental Science and Pollution Research, 31(15), 23262-23282. |
Known human health impact? | Known References: Theodorou, J. A., Makri, M., Douvi, X., Ramfos, A., Spinos, E. 2023. Seasonal variation in the biochemical composition, condition index, and meat yield of the non-indigenous pearl oyster Pinctada imbricata radiata (Leach, 1814) from the West of the Aegean Sea, Greece. Aquaculture and Fisheries, 8(4), pp. 451-456. Comments: Potential new Mediterranean seafood source for human consumption. |
Known economic impact? | Known References: Moutopoulos, D. K., Ramfos, A., Theodorou, J. A., Katselis, G. 2021. Biological aspects, population and fishery dynamics of the non-indigenous pearl oyster Pinctada imbricata radiata (Leach, 1814) in the Eastern Mediterranean. Regional Studies in Marine Science, 45, 101821. Comments: P. imbricata radiata has long been in use for the production of pearls and is also an edible mollusc species. There are generally no negative economic impacts caused by P. imbricata radiata. |
Known measurable environmental impact? | Not known Comments: No specific impact of P. imbricata radiata on either habitats or biodiversity. |
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 (?) | Biofouling References: Vio & De Min, 1996 fide Crocetta F (2011) Marine alien Mollusca in the Gulf of Trieste and neighbouring areas: a critical review and state of knowledge(updated in 2011)(2011) ACTA ADR IAT 52(2):247 - 260. Comments: Few live specimens of P.imbricata radiata were found byssed to an oil platform transported to Trieste Harbour from the Sicily Channel (Vio & De Min,1996). |
Last update by | Sandra Gečaitė, 2024-08-08 |