First observed: 1962 (Gasiunas 1964)
Taxon: Crustacea
Origin: Ponto-Caspian
Vector of introduction: stocking
Distribution in the Baltic Sea: Baltic Proper, Curonian Lagoon, Gulf of Bothnia, Gulf of Finland, Odra Lagoon, Vistula Lagoon
Species status: established
Salinity in native habitats: Limnetic (Bacescu 1969; Birshtein et al. 1968)
Salinity in the Baltic Sea: Limnetic (Janas, Wysocki 2005; Arbaciauskas 2002; Salemaa, Hietalahti 1993)
Ecofunctional group: nekto-benthic invertebrates
Ecological impact: competition (Ketelaars et al. 1999), food-prey (Velde et al. 2002), herbivory (Ketelaars et al. 1999), predation (Ketelaars et al. 1999)
Impact on uses/resources: -References:
Arbaciauskas K. 2002. Ponto-Caspian amphipods and mysids in the inland waters of Lithuania: history of introduction, current distribution and relations with native Malacostracans. In: Leppakoski E., Gollasch S. and Olenin S.(eds), Invasive Aquatic species of Europe - distribution impacts and management. Kluwer Academic Publishers, Dordrecht, Boston, London: 104-115.
Bacescu M. 1969. Order Mysidacea. In: Opredelitel fauny Chernogo i Azovskogo morey (Key to Black Sea and Sea of Azov fauna). Nauk. Dumka, Kiyev: 363-381 (in Russian).
Birshtein Y.A., Vinogradov L.G., Kondakov N.N., Astakhova M.S., Romanova N.N. (Eds.) 1968. Atlas of Invertebrates of the Caspian Sea. Pishchevaya Promyshlennost, Moscow: 413pp. (in Russian).
Gasiunas I. 1964. Acclimatisation of forage crustaceans into the Kaunas waterpower plant reservoir and possibility of their migration into other waters of Lithuania [Aklimatizacija kormovykh rakoobraznykh v vodokhranilische Kaunasskoj GES i vozmozhnost ikh migracii v drugije vodojemy Litvy. Trudy Ak.Nauk Lit.SSR, Serija B, 1(30) (in Russian)
Janas U., Wysocki P. 2005. Hemimysis anomala G. O. Sars, 1907 (Crustacea, Mysidacea) - first record in the Gulf of Gdansk. Oceanologia, 47(3): 405-408.
Ketelaars H.A.M., Lambregts-van de Clundert F.E., Carpentier C.J., Wagenvoort A.J., Hoogenboezem W. 1999. Ecological effects of the mass occurrence of the Ponto-Caspian invader, Hemimysis anomala G.O.Sars, 1907 (Crustacea: Mysidacea), in a freshwater storage reservoir in a freshwater storage reservoir in the Netherlands, with notes on its autecology and new records. Hydrobiologia, 394: 233-248.
Salemaa H., Hietalahti V. 1993. Hemimysis anomala G. O. Sars (Crustacea : Mysidacea) - immigration of a Pontocaspian mysid into the Baltic Sea. Ann. Zool. Fennica, 30: 271-276.
Velde G., Nagelkerken I., Rajagopal S., de Vaate A.B. 2002. Invasions by alien species in inland frshwater bodies in western Europe: the Rhine delta. In: Leppakoski E., Gollasch S. and Olenin S.(eds), Invasive Aquatic species of Europe ? distribution impacts and management. Kluwer Academic Publishers, Dordrecht, Boston, London: 360-372.
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