Introduction and spread of non-native parasites with<i>Silurus glanis</i>L. (Teleostei: Siluridae) in UK fisheries

Reading, A. J.; Britton, J. Robert; Davies, Gareth; Shinn, Andrew P.; Williams, C.

doi:10.1017/s0022149x11000642

Cited by 12 publications

(9 citation statements)

References 21 publications

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“…The detection of T. vistulensis represents a new parasite record for the British Isles (Reading et al . ), apparently introduced and disseminated with the movement of European catfish. Owing to the limited number of parasitological examinations conducted on this fish species, it remains feasible that the parasite is common in the gills of this species and has long been established in Britain.…”

Section: Discussionmentioning

confidence: 99%

A preliminary evaluation of the European Non‐native Species in Aquaculture Risk Assessment Scheme applied to species listed on Annex IV of the EU Alien Species Regulation

Copp

Godard

Russell

et al. 2014

Fisheries Management Eco

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Section: Discussionmentioning

confidence: 99%

A preliminary evaluation of the European Non‐native Species in Aquaculture Risk Assessment Scheme applied to species listed on Annex IV of the EU Alien Species Regulation

Copp

Godard

Russell

et al. 2014

Fisheries Management Eco

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“…The relatively high host specificity of these parasites has so far limited disease risks to native fish populations (e.g. Hockley et al 2011;Reading et al 2011). However, examples of serious disease outbreaks following the translocation of monogenean parasites, such as Gyrodactylus salaris (Bauer et al 2002;Bakke et al 2007), highlights the importance of continued monitoring and prompt risk assessment to inform management (Williams et al 2013).…”

Section: Discussionmentioning

confidence: 99%

Parasites of non-native freshwater fishes introduced into England and Wales suggest enemy release and parasite acquisition

et al. 2015

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When non-native species are introduced into a new range, their parasites can also be introduced, with these potentially spilling-over into native hosts. However, in general, evidence suggests that a high proportion of their native parasites are lost during introduction and infections by some new parasites from the native range might occur, potentially resulting in parasite spill-back to native species. These processes were investigated here using parasite surveys and literature review on seven non-native freshwater fishes introduced into England and Wales. Comparison of the mean numbers of parasite species and genera per population for each fish species England and Wales with their native ranges revealed\9 % of the native parasite fauna were present in their populations in England and Wales. There was no evidence suggesting these introduced parasites had spilled over into sympatric native fishes. The non-native fishes did acquire parasites following their introduction, providing potential for parasite spill-back to sympatric fishes, and resulted in non-significant differences in overall mean numbers of parasites per populations between the two ranges. Through this acquisition, the non-native fishes also had mean numbers of parasite species and genera per population that were not significantly different to sympatric native fishes. Thus, the non-native fishes in England and Wales showed evidence of enemy release, acquired new parasites following introduction providing potential for spill-back, but showed no evidence of parasite spill-over.

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“…However, the extreme trophic plasticity typical of the species seemed to prevent this [15,20,21]. Among other impacts associated with catfish invasion there is also the potential for the introduction of new pathogens [22,23].…”

Section: Introductionmentioning

confidence: 99%

Spoiled for Choice during Cold Season? Habitat Use and Potential Impacts of the Invasive Silurus glanis L. in a Deep, Large, and Oligotrophic Lake (Lake Maggiore, North Italy)

Santis

Volta

2021

Water

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The ecological features of invasive alien species are crucial for their effective management. However, they are often lacking in newly invaded ecosystems. This is the case of the European catfish Silurus glanis L. in Lake Maggiore, where the species is present since 1990, but no scientific information is available on its ecology. To start filling this knowledge gap, 236 catfish (67 cm to 150 cm of total length) were collected, measured, and dissected for stomach content analyses from three localities and in two habitats (littoral vs. pelagic) in late autumn/early winter. The NPUE and BPUE (individuals (N) and biomass (B, in grams) per unit effort (m2), respectively) of catfish were generally higher in littoral (NPUE > 0.01; BPUE > 96) than in pelagic habitats (NPUE < 0.009; BPUE < 114), but the catfish had, on average, larger sizes in pelagic habitats. Overall, 581 individual prey items were recorded, belonging to 12 taxa. Pelagic catfish specialized their diet exclusively on three prey fish (coregonids, shad, and roach), whilst the diet of littoral catfish was more variable and dominated by crayfish, perch, and roach. These results highlighted for the first time the interaction of larger catfish with the lake’s pelagic food web, and thus possible consequences are discussed, including the potential contrasting role S. glanis may have for the lake’s fishery.

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Introduction and spread of non-native parasites withSilurus glanisL. (Teleostei: Siluridae) in UK fisheries

Cited by 12 publications

References 21 publications

A preliminary evaluation of the European Non‐native Species in Aquaculture Risk Assessment Scheme applied to species listed on Annex IV of the EU Alien Species Regulation

A preliminary evaluation of the European Non‐native Species in Aquaculture Risk Assessment Scheme applied to species listed on Annex IV of the EU Alien Species Regulation

Parasites of non-native freshwater fishes introduced into England and Wales suggest enemy release and parasite acquisition

Spoiled for Choice during Cold Season? Habitat Use and Potential Impacts of the Invasive Silurus glanis L. in a Deep, Large, and Oligotrophic Lake (Lake Maggiore, North Italy)

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