2023
DOI: 10.1101/2023.01.07.522915
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Westwards expansion of the European catfishSilurus glanisin the Douro River (Portugal)

Abstract: The current study reports the first occurrence and the spread of the European catfish Silurus glanis (Family: Siluridae) in the Portuguese section of the Douro River, suggesting a potential expansion of its distribution in Portugal either via westward dispersal across international rivers and/or human-assisted introductions into new reservoirs and drainages. European catfish has unique features (e.g., opportunistic predator, hunting, and aggregation behaviour) that make it highly suitable for establishing self… Show more

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Cited by 2 publications
(2 citation statements)
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“…Neither is spread necessarily continuous, for it can fluctuate over time. To avoid ambiguity, we suggest that when a species or population is reported as ‘invasive’ (especially for the first time), the reporting authority should state the evidence for and scale of spread (Gago et al ., 2016; Gkenas et al ., 2024).…”
Section: Proposal For a Simplified Terminologymentioning
confidence: 99%
“…Neither is spread necessarily continuous, for it can fluctuate over time. To avoid ambiguity, we suggest that when a species or population is reported as ‘invasive’ (especially for the first time), the reporting authority should state the evidence for and scale of spread (Gago et al ., 2016; Gkenas et al ., 2024).…”
Section: Proposal For a Simplified Terminologymentioning
confidence: 99%
“…Neither is spread necessarily continuous, for it can fluctuate over time. To avoid ambiguity, we suggest that when a species or population is reported as 'invasive' (especially for the first time), the reporting authority should state the evidence for and scale of spread (Gago et al, 2016;Gkenas et al, 2024).…”
Section: Proposal For a Simplified Terminologymentioning
confidence: 99%