ArticleScientific reports2024
High prevalence and low intensity of Echinophthirius horridus infection in seals revealed by high effort sampling.
Article in Scientific reports, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
5 citing papers in PubMed.
- Adaptations of seal louse nits to underwater life: morphology, respiration and attachment.Die Naturwissenschaften · 2026Article
- Functional morphology of the leg musculature in the marine seal louse: adaptations for high-performance attachment to diving hosts.Scientific reports · 2025Article
- Host Co-Occurrence and Population Size Explain Genetic Differentiation and Diversity in Seal Lice.Molecular ecology · 2025Article
- The ectoparasitic seal louse, Echinophthirius horridus, relies on a sealed tracheal system and spiracle closing apparatus for underwater respiration.Communications biology · 2025Article
- Population genomics of seal lice provides insights into the postglacial history of northern European seals.Molecular ecology · 2024Article
Corrections and comments
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Authors and funding
3 authors.
Funding
Abstract
Seal lice (Echinophthirius horridus) are bloodsucking ectoparasites of phocid seals and vectors of pathogens like the heartworm, Acanthocheilonema spirocauda. Grey and harbour seal populations are recovering in German waters and wildlife health surveillance is crucial for wildlife conservation. A new, high effort sampling protocol for seal lice was applied for grey and harbour seals along the German North- and Baltic Sea coast. Freshly dead seals were systematically sampled within a health monitoring of stranded seals over 12 months. Prevalence, intensity and distribution patterns of seal lice were analysed. 58% of harbour seals (n = 71) and 70% of grey seals (n = 10) were infected with seal lice. A majority of harbour seals displayed mild levels of infection, while three were moderately and two were severely infected. The head was the preferred predilection site, indicating that E. horridus prefers body areas with frequent access to atmospheric oxygen. Nits and different developmental stages were recorded in all age classes in grey and harbour seals in all seasons. For the first time, copulating specimens of E. horridus were recorded on a dead harbour seal, highlighting that E. horridus reproduces throughout the year on seals of all age classes in German waters.
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