AquaNISInformation system on aquatic non-indigenous and cryptogenic species |
Species | Physella acuta [WoRMS] | |
Authority | (Draparnaud, 1805) | |
Family | Physidae | |
Order | Pulmonata | |
Class | Gastropoda | |
Phylum | Mollusca | |
Synonym (?) | ||
Sub-species level (?) | Not entered |
Native origin (?) | Not known Comments: inland, southern Europe |
Life form / Life stage (?) |
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Sociability / Life stage (?) |
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Reproductive frequency (?) | Iteroparous |
Reproductive type (?) | Self-fertilization Sexual References: Spyra, A., Cieplok, A., Strzelec, M., Babczyńska, A. 2019. Freshwater alien species Physella acuta (Draparnaud, 1805)-A possible model for bioaccumulation of heavy metals. Ecotoxicology and environmental safety, 185, 109703. Comments: P. acuta is hermaphroditic, meaning that it possesses both male and female reproductive organs, is capable of self-fertilization, and has a high reproductive output. |
Developmental trait (?) | Direct development References: Spyra, A., Cieplok, A., Strzelec, M., Babczyńska, A. 2019. Freshwater alien species Physella acuta (Draparnaud, 1805)-A possible model for bioaccumulation of heavy metals. Ecotoxicology and environmental safety, 185, 109703. Comments: development is direct, with no larval phase. Fertilization is internal, and the eggs are laid within a gelatinous egg masses. The snails survive for one season and lay one clutch of up to 50 eggs. |
Characteristic feeding method / Life stage (?) |
Comments: They are excellent scavengers and will eat detritus, fish waste, dead plants, dead fish, leftover fish food, dead fish, algae and blankett weed. |
Mobility / Life stage (?) |
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Salinity tolerance range (?) | Venice system: 1. Limnetic [<0.5psu] Comments: This species lives in freshwater rivers, streams, lakes, ponds, and swamps. |
Habitat modifying ability potential (?) | Unknown Comments: Not available. |
Toxicity / Life stage (?) | Not relevant |
Bioaccumulation association (?) | Anthropogenic chemical compounds References: Spyra, A., Cieplok, A., Strzelec, M., Babczyńska, A. 2019. Freshwater alien species Physella acuta (Draparnaud, 1805)-A possible model for bioaccumulation of heavy metals. Ecotoxicology and environmental safety, 185, 109703. |
Known human health impact? | Known References: Jayachandran, P. R., Radhika, R., Aneesh, B. P., Santu, K. S., Jima, M., Bijoy Nandan, S. 2022. Biological invasion of medically important bladder snail Physella acuta draparnaud, 1805 (Gastropoda, physidae) in the freshwater habitat of Kerala, India. In Proceedings of the Zoological Society (Vol. 75, No. 2, pp. 200-207). New Delhi: Springer India. Comments: This species is host to many trematodes causing foodborne diseases in humans. |
Known economic impact? | Not known Comments: Not available. |
Known measurable environmental impact? | Not known Comments: Not available. |
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) |
Association with vessel vectors (?) | Unknown |
Created by | Stephan Gollasch, 2012-09-10 |
Last update by | Sandra Gečaitė, 2024-07-22 |