AquaNISInformation system on aquatic non-indigenous and cryptogenic species |
Species | Sphaeroma walkeri [WoRMS] | |
Authority | Stebbing, 1905 | |
Family | Sphaeromatidae | |
Order | Isopoda | |
Class | Malacostraca | |
Phylum | Arthropoda | |
Synonym (?) | ||
Sub-species level (?) | Not entered |
Native origin (?) | Ocean: Indian References (not structured): Carlton JT, Iverson EW (1981) Biogeography and natural history of Sphaeroma walkeri Stebbing (Crustacea: Isopoda) and its introduction to San Diego Bay, California. Journal of Natural History, London 15: 31-48 |
Life form / Life stage (?) |
References (not structured): Carlton JT, Iverson EW (1981) Biogeography and natural history of Sphaeroma walkeri Stebbing (Crustacea: Isopoda) and its introduction to San Diego Bay, California. Journal of Natural History, London 15: 31-48 |
Sociability / Life stage (?) |
References (not structured): Carlton JT, Iverson EW (1981) Biogeography and natural history of Sphaeroma walkeri Stebbing (Crustacea: Isopoda) and its introduction to San Diego Bay, California. Journal of Natural History, London 15: 31-48 Comments: Occasionally gregarious |
Reproductive frequency (?) | Iteroparous |
Reproductive type (?) | Sexual |
Developmental trait (?) | Brooding |
Characteristic feeding method / Life stage (?) |
References (not structured): Carlton JT, Iverson EW (1981) Biogeography and natural history of Sphaeroma walkeri Stebbing (Crustacea: Isopoda) and its introduction to San Diego Bay, California. Journal of Natural History, London 15: 31-48 Comments: It feeds on micro-organisms, algae and organic debris |
Mobility / Life stage (?) |
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Salinity tolerance range (?) | Venice system: 7. Euhaline [30-40psu] 8. Hypersaline [>40psu] References: Carlton JT, Iverson EW (1981) Biogeography and natural history of Sphaeroma walkeri Stebbing (Crustacea: Isopoda) and its introduction to San Diego Bay, California. Journal of Natural History, London 15: 31-48 Mak PMS, Huang ZG, Morton BS (1985) Sphaeroma walkeri Stebbing (Isopoda, Sphaeromatidae) introduced into and established in Hong Kong. Crustaceana 49(1): 75-81 |
Habitat modifying ability potential (?) | Unknown Comments: Not available. |
Toxicity / Life stage (?) | Not relevant |
Bioaccumulation association (?) | Unknown References: EI-Komi, M. M., Tayel, F. T. 1996. Acute toxicity of four heavy metals to Sphaeroma walkeri and Ciroiana bovina (Crustacea: Isopoda). |
Known human health impact? | Not known Comments: Not available. |
Known economic impact? | Not known Comments: Not available. |
Known measurable environmental impact? | Known References: Thiri, M., Yang, Y. 2022. Review on possible factors for outbreak of wood boring isopod, Sphaeroma spp. which causes destructive impact on mangrove forest in China. Open Journal of Ecology, 12(3), pp. 211-235. |
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: Galil BS (2008) Sphaeroma walkeri Stebbing, 1905 (Crustacea: Isopoda: Sphaeromatidae) established on the Mediterranean coast of Israel. Aquatic Invasions (2008) Volume 3, Issue 4: 443-444 |
Molecular information | Available NCBI (https://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?term=Sphaeroma+walkeri) |
Last update by | Sandra Gečaitė, 2024-08-08 |