Collapse of the native ruffe (Gymnocephalus cernua) population in the Biesbosch lakes (the Netherlands) owing to round goby (Neogobius melanostomus) invasion

Jůza, Tomáš; Blabolil, Petr; Baran, Roman; Bartoň, Daniel; Čech, Martin; Draštík, Vladislav; Frouzová, Jaroslava; Holubová, Michaela; Ketelaars, Henk A. M.; Kočvara, Luboš; Kubečka, Jan; Muška, Milan; Prchalová, Marie; Říha, Milan; Sajdlová, Zuzana; Šmejkal, Marek; Tušer, Michal; Vašek, Mojmír; Vejřík, Lukáš; Vejříková, Ivana; Wagenvoort, Arco J.; Žák, Jakub; Peterka, Jiří

doi:10.1007/s10530-017-1644-5

Cited by 21 publications

(20 citation statements)

References 30 publications

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“…Field observations and experiments have shown that invasive gobies can have severe detrimental effects on native fishes (Dubs & Corkum, ; Janssen & Jude, ; Jůza et al, ; Kakareko et al, ; van Kessel et al, ). Other studies, however, showed that goby invasions did not impact local fish communities (Janáč et al, , ; Kornis et al, ; Piria, Jakšić, Jakovlić, & Treer, ) or may even be beneficial, e.g., for native predators (King, Ray, & Stanford, ; Mikl et al, ; Płąchocki, Kobak, & Kakareko, ).…”

Section: Discussionmentioning

confidence: 99%

Occurrence of non‐native fishes in the Danube east of Vienna (Austria) and potential interactions of invasive gobiids with native fishes

Ramler

Keckeis

2019

J Appl Ichthyol

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Summary Non‐native fish species pose a major threat to local fish populations and aquatic ecosystems in general. Invasive gobies are a particular focus of research, but with partly inconsistent results. While some studies reported severe detrimental impacts on native species, others have concluded less serious or neutral effects. We provide results from a large‐scale, multi‐annual fish monitoring program on the occurrence and abundance of non‐native fishes in the main stem of a free‐flowing section of the Austrian Danube. Special emphasis was placed on identifying positive or negative interactions of invasive gobies with native species. Whereas most non‐native species occurred too sporadically or were too few in number to infer a direct threat on the local fish community, invasive gobies were among the most common fishes throughout all sampling years. Co‐occurrence analyses revealed species‐ and mesohabitat type‐specific associations of gobies with native species, which were primarily positive. Notably, native predators such as asp, burbot, or perch probably benefit from the ubiquitous gobies. Two characteristic fluvial fishes revealed negative associations with invasive gobies, namely barbel (Barbus barbus) and Danube whitefin gudgeon (Romanogobio vladykovi): they appear to avoid habitats occupied by gobies. Accordingly, high abundances of round and bighead goby most likely resulted in population losses of barbel and whitefin gudgeon, respectively. Overall, our results indicate a limited negative impact of non‐native species in the sampling area. This is because only two out of 51 occurring species were found to be adversely affected by gobies, the share of co‐occurrences with native species was high, and other non‐native species were generally rare. Nevertheless, invasions are highly dynamic, and new non‐native species are likely to occur in the Austrian Danube, calling for continued monitoring and awareness.

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Section: Discussionmentioning

confidence: 99%

Occurrence of non‐native fishes in the Danube east of Vienna (Austria) and potential interactions of invasive gobiids with native fishes

Ramler

Keckeis

2019

J Appl Ichthyol

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“…Moreover, N. melanostomus as a species without a swimbladder is caught in gillnets mainly close to the bottom line of the gillnet, whereas P. fluviatilis is more easily caught by the whole panel of a gillnet. A detailed description of the N. melanostomus population characteristics in the Biesbosch lakes can be found in Jůza et al (2018 a ).…”

Section: Comparisons Of Activity‐selective Gillnets and Activity Non‐mentioning

confidence: 97%

“…In 2012 their presence was confirmed in the Biesbosch lakes using fyke nets (G. Kruitwagen, unpublished data), but they may have been present earlier because no ichthyological survey was carried out between 2009 and 2012. Intensive surveys between 1998 and 2008 did not detect a single individual of N. melanostomus (Jůza et al ., 2018 a ).…”

Section: Comparisons Of Activity‐selective Gillnets and Activity Non‐mentioning

confidence: 99%

“…Neogobius melanostomus has a negative effect on native communities of bottom dwellers due to its aggressive competition (van Kessel et al ., ). This can result in the exclusion of vulnerable native species (Jůza et al ., 2018 a ). In the Biesbosch lakes, their recent invasion almost led to the local extinction of native ruffe Gymnocephalus cernua (L. 1758) (Jůza et al ., 2018 a ).…”

Section: Comparisons Of Activity‐selective Gillnets and Activity Non‐mentioning

confidence: 99%

“…This can result in the exclusion of vulnerable native species (Jůza et al ., 2018 a ). In the Biesbosch lakes, their recent invasion almost led to the local extinction of native ruffe Gymnocephalus cernua (L. 1758) (Jůza et al ., 2018 a ). Correct and unbiased sampling is essential to estimate the density of this rapidly spreading invasive species and consequently detect the potential threat to local fish communities.…”

Section: Comparisons Of Activity‐selective Gillnets and Activity Non‐mentioning

confidence: 99%

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Invasive round goby Neogobius melanostomus has sex‐dependent locomotor activity and is under‐represented in catches from passive fishing gear compared with seine catches

Žák

Jůza

Blabolil

et al. 2018

Journal of Fish Biology

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Trophic Transfer of Cd, Cu, Pb, Zn, P and Se in Dutch Storage Water Reservoirs

Verstijnen,

Lucassen,

Wagenvoort

et al. 2024

Arch Environ Contam Toxicol

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Heavy metals are naturally omnipresent in aquatic systems. Excess amounts of heavy metals can accumulate in organisms of pollution impacted systems and transfer across a food web. Analysing the food web structure and metal contents of the organisms can help unravel the pathways of biomagnification or biodilution and gain insight in trophic linkages. We measured heavy metals and other elements in mussel bank detritus and organisms of the Biesbosch reservoirs (the Netherlands) and linked those to stable isotopic signatures. The heavy metal contents (cadmium, copper, lead, and zinc) were often lowest in benthivorous, omnivorous and piscivorous species (mainly fish); whereas, phosphorus contents were lower in the autotrophs. Mussel bank detritus contained the highest amounts of heavy metals. The heavy metals were negatively correlated with δ15N values. For selenium no clear trend was observed. Furthermore, there was a negative correlation between fish length and some heavy metals. Based on all 20 analysed elemental contents, similarities between species became apparent, related to niche or habitat. This study confirms that elemental contents of species can differ between feeding guilds and/or species, which can be attributed to metabolic and physiological processes. The organisms in higher trophic levels have adaptations preventing metal accumulation, resulting in lower contents. Within the fish species biodilution occurs, as most metal contents were lowest in bigger fish. Overall, the metals did not seem to biomagnify, but biodilute in the food web. Metal analyses combined with isotopic signatures could thus provide insights in metal transfer and possible trophic linkages within a system.

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Collapse of the native ruffe (Gymnocephalus cernua) population in the Biesbosch lakes (the Netherlands) owing to round goby (Neogobius melanostomus) invasion

Cited by 21 publications

References 30 publications

Occurrence of non‐native fishes in the Danube east of Vienna (Austria) and potential interactions of invasive gobiids with native fishes

Occurrence of non‐native fishes in the Danube east of Vienna (Austria) and potential interactions of invasive gobiids with native fishes

Invasive round goby Neogobius melanostomus has sex‐dependent locomotor activity and is under‐represented in catches from passive fishing gear compared with seine catches

Trophic Transfer of Cd, Cu, Pb, Zn, P and Se in Dutch Storage Water Reservoirs

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