ReviewInternational journal for parasitology. Parasites and wildlife2014
Co-invaders: The effects of alien parasites on native hosts.
Review in International journal for parasitology. Parasites and wildlife, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 95 papers, 3 of them syntheses that pooled it.
What it found
Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.
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.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
95 citing papers in PubMed, 3 syntheses or guidelines pooled it, 370 citations in OpenAlex.
- A systematic review of poeciliid fish invasions in Africa.BMC ecology and evolution · 2024Pooled it
- Are novel or locally adapted pathogens more devastating and why? Resolving opposing hypotheses.Ecology letters · 2024Pooled it
- Metazoan parasites of Micropterus salmoides (Lacépède 1802) (Perciformes, Centrarchidae): a review with evidences of spillover and spillback.Parasitology research · 2018Pooled it
- Parasite co-invasion by northern pike (International journal for parasitology. Parasites and wildlife · 2026Article
- Trematode recolonization in first intermediate snail hosts after large-scale stream restoration.Parasites & vectors · 2026Article
- A pseudochromosomal reference genome of the golden jackal, Canis aureus.The Journal of heredity · 2026Article
- First record of the parasite fauna of Serrasalmus geryi Jegú & Santos, 1988 (Characiformes: Serrasalmidae) and ecological implications of its invasion in a Neotropical floodplain.Parasitology research · 2026Article
- The spread of non-native species.Biological reviews of the Cambridge Philosophical Society · 2026Review
- Invasive Alien Species of European Union Concern: A Systematic Review of High-Priority Pathogens in 22 Species in a One Health Framework.Animals : an open access journal from MDPI · 2026Review
- Avian malaria and invasion success: Contrasting infection patterns in two introduced Eurasian sparrows in North America (International journal for parasitology. Parasites and wildlife · 2026Article
- Boreal Toad Survival Varies by Degree of Attenuation and Adaptation of a Fungal Pathogen.EcoHealth · 2026Article
- Description of helminthic fauna ofFrontiers in veterinary science · 2026Article
- Comparison of historic and novel data reveals higher contemporary diversity of trematode metacercariae in freshwater fish.Parasite (Paris, France) · 2026Article
- Morphological and Molecular Identification ofVeterinary sciences · 2025Article
- New tools to uncover old tricks: an update on the knowledge on the most successful invasive freshwater helminth, Schyzocotyle acheilognathi.Parasitology research · 2025Review
- Parasitological survey of farmed Murray Cod (Maccullochella peelii) in an aquaculture setting.Parasitology research · 2025Article
- Innovations in invasive parasite control: enhancing nest treatment techniques to combat the threat of the avian vampire flyFrontiers in conservation science · 2025Article
- First Report of Philometroides sanguineus (Nematoda: Philometridae) in Farmed Goldfish (Carassius auratus) in Italy.Journal of fish diseases · 2025Article
- Temporal Dynamics of Biological Invasions: Perception of Host Quality Differs Between Native and Alien Host Species.Ecology and evolution · 2025Article
- Gut microbiome of Vespa orientalis: functional insights and potential honey bee pathogen dynamics.Animal microbiome · 2025Article
35 more citing papers are in PubMed but not listed here.
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
5 authors at 1 institution in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
We define co-introduced parasites as those which have been transported with an alien host to a new locality, outside of their natural range, and co-invading parasites as those which have been co-introduced and then spread to new, native hosts. Of 98 published studies of co-introductions, over 50% of hosts were freshwater fishes and 49% of parasites were helminths. Although we would expect parasites with simple, direct life cycles to be much more likely to be introduced and establish in a new locality, a substantial proportion (36%) of co-introductions were of parasites with an indirect life cycle. Seventy-eight per cent of co-introduced parasites were found in native host species and can therefore be classed as co-invaders. Host switching was equally common among parasites with direct and indirect life cycles. The magnitude of the threat posed to native species by co-invaders will depend, among other things, on parasite virulence. In 16 cases where co-introduced parasites have switched to native hosts and information was available on relative virulence, 14 (85%) were more virulent in native hosts than in the co-introduced alien host. We argue that this does not necessarily support the naïve host theory that co-invading parasites will have greater pathogenic effects in native hosts with which they have no coevolutionary history, but may instead be a consequence of the greater likelihood for parasites with lower virulence in their natural host to be co-introduced.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.