Markedly reduced prevalence of Schistocephalus solidus in pelagic three-spined sticklebacks (Gasterosteus aculeatus) from Lake Constance.

Felix Salge, Herwig Stibor, Michael Schubert, Christian Vogelmann

Abstract read

In one paragraph

Article in Parasitology research, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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4 · The record

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5 · Who and what money

Authors and funding

4 authors.

Felix SalgeFaculty of Chemistry, University of Vienna, Währinger Straße 42, Vienna, A-1090, Austria.

Herwig StiborFaculty of Biology, Aquatic Ecology, Ludwig-Maximilian University of Munich, Großhaderner Str. 2, Planegg-Martinsried, 82152, Germany.

Michael SchubertBavarian State Research Center for Agriculture (LfL). Institute for Fisheries, Weilheimer Str. 8, Starnberg, 82319, Germany.

Christian VogelmannFaculty of Biology, Aquatic Ecology, Ludwig-Maximilian University of Munich, Großhaderner Str. 2, Planegg-Martinsried, 82152, Germany. c.vogelmann@lmu.de.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Host total length, body mass and prevalence of Schistocephalus solidus were assessed in pelagic three-spined sticklebacks (Gasterosteus aculeatus) from Upper Lake Constance, a prealpine lake in Central Europe, based on 987 individuals collected by pelagic trawl in late autumn 2024. In addition, 62 fish sampled using gillnets in late autumn 2025 were examined using the same biometric and parasitological procedures. The 2024 population was dominated by small-bodied individuals, with a mean total length of 5.26 ± 0.55 cm and a mean body mass of 1.56 ± 0.51 g. Infection was rare: 16 of 987 fish were infected in 2024, corresponding to a prevalence of 1.6%, and parasite index (PI = parasite wet mass / host wet mass) values ranged from 0.013 to 0.302. In 2025, prevalence remained similarly low at 3.2%. Compared with earlier reports from Lake Constance, the late-autumn 2024 sample indicates markedly lower prevalence of S. solidus in the pelagic population, and the 2025 sample showed similarly low prevalence.

Indexed as

CestodaCestode InfectionsFish DiseasesSmegmamorphaAnimalsLakesPrevalenceSeasonsGasterosteus aculeatusInvasive speciesLake ConstanceSchistocephalus solidusThree-spined stickleback

Identifiers

PMID41979701

DOI10.1007/s00436-026-08677-3

PMCPMC13079495

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