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Pseudorasbora parva - Stone moroko, Topmouth gudgeon

French name:  Goujon asiatique
Dutch name: Blauwband(-grondel)
Family: Cyprinidae
Group: Fish
Origin: Asia
Habitat: freshwater
Introduction:  game/fish stocking
ISEIA Score : 11
Naturalization in Belgium
First observation in the wild: 1989
Invasion stage: spread
Spatial distribution: restricted
Reproduction in the wild: yes
Dispersion potential: high
Natural habitats: high
More on invasiveness: P. parva typically inhabits eutrophic ponds, ditches and muddy brooks rich in aquatic vegetation; it is sometimes found in larger streams and lakes. It is very tolerant to a wide range of environmental conditions.
Distribution in Belgium
Established populations
absent from district
isolated populations (1-5 localities per district)
widespread (>5 localities per district)

Impacts on Species
Predation / Herbivory: likely
Competition: high
Disease transmission: high
Genetic effects: low
Impacts on Ecosystems
Nutrient cycling: low
Physical alteration: low
Natural successions: low
Food web alteration: medium
More on impacts: This highly invasive fish in Europe is a healthy host for a deadly, non-specific pathogen (Sphaerothecum destruens) that poses a threat to the conservation of European fish diversity. Moreover, it consumes large quantities of planktonic crustaceans which results in a high exploitative competition with native fish species (e.g. indigenous gudgeon) and an increase in the biomass of phytoplankton, and further in increasing eutrophication of water bodies.
Data Source & References
Authors: Anseeuw Dieter, Branquart Etienne, Lieffrig François, Micha Jean-Claude, Parkinson Denis, Verreycken Hugo
Published on:  11 June 2007
Adamek, Z. & Sukop, I. (2000)
Vliv střevličky východní (Pseudorasbora parva) na parametry rybničního prostředí.
In: Lusk S., Halačka K. (Eds): Biodiverzita Ichtyofauny České republiky (III), Brno: 37-43.
Adamek, Z., Navratil, S., Palikova, M. & Siddi Qui, M.A. (1990)
Pseudorasbora parva Schlegel, 1842: biology of non-native species in the Czech Republic.
In: Proceedings of Scientific Papers to the 75th Anniversary of Foundation of the Research Institute of Fish Culture and Hydrobiology 143, 1-52 pp.
Ahne, W. & Thomsen, I. (1986)
Isolation of pike fry rhabdovirus from Pseudorasbora parva (Temminck & Schlegel).
Journal of Fish Diseases 9(6): 555–556.
Banarescu, P.M. (1990)
On the history of the dispersal of Pseudorasbora parva in South-Eastern Europe (Pisces, Cyprinidae).
Rev. Roum. Ser. Biol. Anim. 35 (1), 13-16 pp.
Britton, J.R., Davies, G.D. & Harrod, C. (2010)
Trophic interactions and consequent impacts of the invasive fish Pseudorasbora parva in a native aquatic foodweb: a field investigation in the UK.
Biological Invasions 12 (6): 1533-1542.
Britton, J.R., Davies, G.D., Brazier, M. & Pinder, A.C. (2007)
A case study on the population ecology of a topmouth gudgeon (Pseudorasbora parva) population in the UK and the implications for native fish communities.
Aquatic Conservation: Marine and Freshwater Ecosystems 17(7): 749–759.
Cesco, H., Lambert, A. & Crivelli, A.J. (2001)
Is Pseudorasbora parva an invasive fish species (Pisces, Cyprinidae) a new vector of the anguilllicolosis in France?
J. Soc. Fr. Parasit. 8: 75-76.
Cesco, H., Lambert, A. & Crivelli, A.J. (2001)
Pseudorasbora parva (Téléostéen, Cyprinidae) espèce invasive, nouvel agent du maintien et de la dissémination de l'anguillicolose en France.
Parasite 2001 8(1): 75-76.
Copp, G.H., Vilizzi, L., Mumford, J., Fenwick, G.V., Godard, M.J. & Gozlan, R.E. (2009)
Calibration of FISK, an Invasiveness Screening Tool for Nonnative Freshwater Fishes.
Risk Analysis 29 (3).
Declerck , S., Louette, G., De Bie, T. & De Meester, L. (2002)
Patterns of diet overlap between populations of non-indigenous and native fishes in shallow ponds.
Journal of Fish Biology 61 (5), 1182-1197 pp.
Godin J. (2005)
Les espèces animales invasives des milieux aquatiques et humides du bassin Artois-Picardie
Agence de l'Eau Artois-Picardie.
Gozlan, R.E., Pinder, A.C., Shelley, J. (2002)
Occurrence of the Asiatic cyprinid Pseudorasbora parva in England.
J.Fish.Biol., 2002, vol. 61, no. 1, pp. 298-300
Gozlan, R.E., St-Hilaire, S., Feist, S.W., Martin, P. & Kent, M. (2005)
Disease threat to European fish.
Nature, 435, 1046 p.
Peeler, E.J., Oidtmann, B.C., Midtlyng, P.J., Miossec, L. & Gozlan, R.E. (2011)
Non-native aquatic animals introductions have driven disease emergence in Europe.
Biological invasions 13 (6): 1291-1303.
Verreycken, H. (2006)
Niet-inheemse vissoorten
From online fact sheets of the Flemish Research Institute for Nature and Forest (INBO), VLINA-project 00/11
Verreycken, H., Anseeuw, D., Van Thuyne, G., Quataert, P. & Belpaire, C. (2007)
The non-indigenous freshwater fishes of Flanders (Belgium): review, status and trends over the last decade.
Journal of Fish Biology 71 (Suppl. D): 160-172.
Witkowski, A. (2006)
Invasive Alien Species Fact Sheet Pseudorarsbora parva.
From online database of the North European and Baltic network on invasive alien species (NOBANIS).
Wittenberg, R. (2005)
An inventory of alien species and their threat to biodiversity and economy in Switzerland.
CABI Bioscience Switzerland Centre report to the Swiss Agency for Environment, Forests and Landscape. The environment in practice no. 0629: 155p.

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