Stable isotope analysis reveals fish juveniles as a temporal main resource consumed by invasive pumpkinseed (Lepomis gibbosus)
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68081766%3A_____%2F25%3A00597612" target="_blank" >RIV/68081766:_____/25:00597612 - isvavai.cz</a>
Alternative codes found
RIV/00216224:14310/25:00140274 RIV/62156489:43210/25:43925586 RIV/00216208:11310/25:10507431
Result on the web
<a href="https://link.springer.com/article/10.1007/s10750-024-05658-4" target="_blank" >https://link.springer.com/article/10.1007/s10750-024-05658-4</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1007/s10750-024-05658-4" target="_blank" >10.1007/s10750-024-05658-4</a>
Alternative languages
Result language
angličtina
Original language name
Stable isotope analysis reveals fish juveniles as a temporal main resource consumed by invasive pumpkinseed (Lepomis gibbosus)
Original language description
The pumpkinseed Lepomis gibbosus (Linnaeus, 1758) is a small centrarchid fish species from North America that has invaded most European basins, with pronounced expected impacts. Analyses of pumpkinseed diet in its invasive range using gut content analysis (GCA) show macrozoobenthos as the most common dietary item, suggesting a competitive effect on native fish communities. Our study uses a combination of GCA and stable isotope analysis (SIA) to document pumpkinseed diet at two sites in its invaded range and relates pumpkinseed diet preferences with parasitic load. SIA revealed juvenile fish as a major prey item at one of the sites (63 and 50% of the diet of small and the large fish), while GCA showed pumpkinseed preying mostly on macroinvertebrates (chironomids, gastropods, Ephemeroptera, and Zygoptera larvae) at both sites. While infrequent infection by trophically transmitted parasitic nematodes could be related to low consumption of zooplankton, substantial infection by metacercariae of Posthodiplostomum centrarchi Hoffman1958 appears to reflect relatively high consumption rates of its intermediate host, physid snails. Using SIA allowed to demonstrate that pumpkinseed feeding in its non-native range can be based on piscivory, emphasising the need for combining multiple methods when studying the impact of non-native species on food webs.
Czech name
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Czech description
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Classification
Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
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OECD FORD branch
10618 - Ecology
Result continuities
Project
<a href="/en/project/GA20-29111S" target="_blank" >GA20-29111S: Parasite acquisition by non-native fish hosts: determinants and impacts on native fish fauna</a><br>
Continuities
I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace
Others
Publication year
2025
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Data specific for result type
Name of the periodical
Hydrobiologia
ISSN
0018-8158
e-ISSN
1573-5117
Volume of the periodical
852
Issue of the periodical within the volume
8-9
Country of publishing house
DE - GERMANY
Number of pages
18
Pages from-to
2409-2426
UT code for WoS article
001286555800001
EID of the result in the Scopus database
2-s2.0-85200684757