scholarly journals When an ‘invasive’ fish species fails to invade! Example of the topmouth gudgeon Pseudorasbora parva

2007 ◽  
Vol 2 (2) ◽  
pp. 107-112 ◽  
Author(s):  
Gordon Copp
Keyword(s):  
Fish Species ◽  
Invasive Fish ◽  
Pseudorasbora Parva ◽  
Topmouth Gudgeon

scholarly journals Ihtiofauna lacului refrigerеnt Cuciurgan în anul 2020

2021 ◽  
Author(s):  
Mihail Mustea ◽  
Keyword(s):  
Invasive Species ◽  
Functional Status ◽  
Fish Species ◽  
Aquatic Ecosystem ◽  
Invasive Fish ◽  
Pseudorasbora Parva ◽  
Cooling Reservoir ◽  
Main Emphasis ◽  
Diversity Structure

The relevance of the paper lies in the fact that in previous investigations of the ichthyofauna of Cuciurgan cooling reservoir, the main emphasis was placed on economically valuable species. However, a number of invasive fish species have been less investigated, despite occupying, and currently occupying, dominant positions in the structure of the ichthyocenosis of this aquatic ecosystem. The aim of the paper is to research and update data on the diversity, structure and functional status of the ichthyofauna of the Cuciurgan cooling reservoir in conditions of increased anthropogenic and bioinvasive impact. The invasive species Pseudorasbora parva was first identified in the resevoir ecosystem.

scholarly journals Changes in a Fish Community in a Small River Related to the Appearance of the Invasive Topmouth Gudgeon Pseudorasbora parva (Temminck & Schlegel, 1846)

Water ◽  
2019 ◽  
Vol 11 (9) ◽  
pp. 1857
Author(s):  
Jacek Rechulicz
Keyword(s):  
Species Richness ◽  
Fish Species ◽  
Native Species ◽  
Salmo Trutta ◽  
Diversity Index ◽  
Predatory Fish ◽  
Total Density ◽  
Pseudorasbora Parva ◽  
Topmouth Gudgeon ◽  
Invasive Fishes

In recent years, the topmouth gudgeon (Pseudorasbora parva) has been one of the most invasive fishes in Europe. Pseudorasbora parva can potentially affect ecosystems, fish communities, and particular fish species. Electrofishing was carried out over a five-year period at three study sites in the Ciemięga River (eastern Poland) before and after P. parva had been found in the river. Changes in the occurrence, abundance, and density of native fish species after the appearance of the invader were determined. Changes in the species’ richness were calculated, and correlations were estimated between the occurrence and density of P. parva and particular fish species and richness indices. The presence of P. parva has not affected the density of native species but coincides with a significant increase in estimated species richness and the total density of fish. There was a significant relationship between the presence of this invasive species and the fish community’s composition, though the PERMANOVA result was unclear with regards to site-specific effects. Moreover, tench and bleak were associated positively, whereas Eurasian perch and sunbleak were associated negatively with the occurrence of P. parva. Pseudorasbora parva density was highly correlated with Cyprinidae density (excluding P. parva), species richness, and the Margalef diversity index. Thise study has shown that the presence of predatory fish in the river (Salmo trutta L.) may reduce the numbers of invasive P. parva.

scholarly journals Associated disease risk from the introduced generalist pathogen Sphaerothecum destruens: management and policy implications

Parasitology ◽  
2016 ◽  
Vol 143 (9) ◽  
pp. 1204-1210 ◽  
Author(s):  
DEMETRA ANDREOU ◽  
RODOLPHE ELIE GOZLAN
Keyword(s):  
Disease Risk ◽  
Close Association ◽  
Meta Analysis ◽  
Policy Implications ◽  
Disease Emergence ◽  
Invasive Fish ◽  
Pseudorasbora Parva ◽  
Topmouth Gudgeon ◽  
Potential Source ◽  
Available Information

SUMMARYThe rosette agent Sphaerothecum destruens is a novel pathogen, which is currently believed to have been introduced into Europe along with the introduction of the invasive fish topmouth gudgeon Pseudorasbora parva (Temminck & Schlegel, 1846). Its close association with P. parva and its wide host species range and associated host mortalities, highlight this parasite as a potential source of disease emergence in European fish species. Here, using a meta-analysis of the reported S. destruens prevalence across all reported susceptible hosts species; we calculated host-specificity providing support that S. destruens is a true generalist. We have applied all the available information on S. destruens and host-range to an established framework for risk-assessing non-native parasites to evaluate the risks posed by S. destruens and discuss the next steps to manage and prevent disease emergence of this generalist parasite.

scholarly journals Abundance and biomass estimation of this summer individuals of alien fish species in Zaporizke reservoir

2018 ◽  
Vol 8 (1) ◽  
pp. 92-96
Author(s):  
O. N. Marenkov
Keyword(s):  
New Species ◽  
Fish Species ◽  
Biomass Estimation ◽  
Lepomis Gibbosus ◽  
Pseudorasbora Parva ◽  
Topmouth Gudgeon ◽  
The Past ◽  
Alien Fish ◽  
Complex Monitoring ◽  
Alien Fish Species

<p>Substantial changes in the hydroecosystem of the Zaporizke reservoir have led to a significant transformation of aquatic<br />biocoenoses. As a result, number of some aboriginal fish species have decreased. The regulation of the Dnipro river has<br />contributed to the spread of new species of fish. Over the past 30 years, the ichthyofauna of the reservoir has gained about 20<br />species of fish that acclimatized and expanded their range. The article presents the results of ichthyological research of 2010-<br />2016. The article determines main causes of the spread of new species of fish, and gives the results of complex monitoring<br />studies on the number and biomass of young alien fish species of the Zaporizke reservoir. It was found that the most numerous<br />first summer individuals of alien fish species are big-scale sand smelt Atherina pontica (Eichwald, 1831), Prussian carp Carassius<br />gibelio (Bloch, 1782), topmouth gudgeon Pseudorasbora parva (Temminck et Schlegel, 1846), black-striped pipefish (Syngnathus<br />abaster Risso, 1826) and pumpkinseed Lepomis gibbosus (Linnaeus, 1758).</p>

scholarly journals Monitoring the eradication of the highly invasive topmouth gudgeon (Pseudorasbora parva) using a novel eDNA assay

2018 ◽  
Author(s):  
Chloe Victoria Robinson ◽  
Carlos Garcia de Leaniz ◽  
Matteo Rolla ◽  
Sofia Consuegra
Keyword(s):  
Invasive Species ◽  
Water Framework Directive ◽  
Ecological Integrity ◽  
Qpcr Assay ◽  
Detection Methods ◽  
Invasive Fish ◽  
Pseudorasbora Parva ◽  
Monitoring Methods ◽  
Topmouth Gudgeon ◽  
Trade Offs

AbstractAquatic Invasive Species (AIS) represent an important threat for Biodiversity and are one of the factors determining the ecological integrity of water bodies under the Water Framework Directive. Eradication is one of the most effective tools for the management of invasive species but has important economic and ecological trade-offs and its success needs to be carefully monitored. We assessed the eradication success of the topmouth gudgeon (Pseudorasbora parva), an invasive fish that poses significant risks to endemic aquatic fauna, in four ponds previously treated with the piscicide Rotenone using a novel environmental DNA (eDNA)-qPCR assay. Topmouth gudgeon was detected in all four treated ponds using 750 mL water samples and in three of the ponds using 15 mL samples, despite the eradication treatment. The highly sensitive qPCR assay detected topmouth gudgeon in a significantly greater proportion of sites (77.5%) than eDNA detection methods based on conventional PCR (35%). Our results highlight the difficulties of eradicating invasive fish and the need to incorporate reliable monitoring methods as part of a risk management strategy under the Water Framework Directive.

scholarly journals Distribution Revised-Fifteen Years of Changes in the Invasion of a Freshwater Fish, Pseudorasbora parva (Temminck and Schlegel, 1846) in Turkey

2019 ◽  
Vol 21 (2) ◽  
pp. 69-80
Author(s):  
Gülnaz Özcan ◽  
Ali Serhan Tarkan
Keyword(s):  
Literature Review ◽  
Distribution Pattern ◽  
Freshwater Fish ◽  
Fish Species ◽  
Negative Impact ◽  
European Part ◽  
Intracellular Pathogen ◽  
Pseudorasbora Parva ◽  
Introduction Pathways ◽  
Topmouth Gudgeon

Abstract The aim of the present paper is to revise the distribution range of the invasive freshwater fish species, topmouth gudgeon Pseudorasbora parva (Temminck and Schlegel, 1846) in Turkey, based on the literature review. After the first report of the species from the Meriç River in Thrace (European part of Turkey) in 1982, it has spread across the country mainly through human-mediated accidental introductions. The species has now been reported from 66 water bodies in total. Besides the introduction pathways, we also present chronological distribution pattern of the species. This information is useful especially for conservation endemic ichthyofauna due to the negative impact of Pseudorasbora parva, particularly through introducing an emerging infectious eukaryotic intracellular pathogen on the fungal-animal boundary, Sphaerothecum destruens Arkush et al., 2003.

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