Impacts of mesomycetozoean parasites on amphibian and freshwater fish populations

Rowley, Jodi J.L., Gleason, Frank H., Andreou, Demetra, Marshall, Wyth L., Lilje, Osu, and Gozlan, Rodolphe (2013) Impacts of mesomycetozoean parasites on amphibian and freshwater fish populations. Fungal Biology Reviews, 27 (3). pp. 100-111.

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Abstract

Fungal and fungal-like parasites and the diseases which they cause have been increasingly associated with amphibians and fish population declines at a global scale. This review summarises our current knowledge of the Mesomycetozoea, a poorly-studied group of fungal-like parasites that includes emerging virulent parasites capable of causing high mortality rates in fish and amphibian populations. This review considers the potential impact of emerging parasites in this class on global aquatic biodiversity. Several aspects of the biology of mesomycetozoean parasites are associated with the potential to drive hosts to extinction, including their high virulence under certain conditions, low host specificity, and a free-living infectious stage. In addition, mesomycetozoeans are currently being introduced into novel environments and hosts via the global freshwater wildlife trade. These parasites have been linked to dramatic population declines in at least one native fish throughout Europe, and there are indications that they are already impacting amphibian populations in America and Europe. The impact of mesomycetozoeans on freshwater biodiversity is likely to increase in response to stressors such as global climate change and habitat modification. Surveillance for mesomycetozoean parasites in the field and in specimens transported in the aquatic wildlife trade needs to be increased, and a tighter control of the aquatic wildlife trade is urgently needed.

Item ID: 31697
Item Type: Article (Refereed Research - C1)
Keywords: biodiversity loss, disease, freshwater, invasion, prevalence, virulence, wildlife trade, zoospores
ISSN: 1878-0253
Date Deposited: 26 Feb 2014 09:34
FoR Codes: 05 ENVIRONMENTAL SCIENCES > 0502 Environmental Science and Management > 050211 Wildlife and Habitat Management @ 50%
06 BIOLOGICAL SCIENCES > 0602 Ecology > 060204 Freshwater Ecology @ 50%
SEO Codes: 96 ENVIRONMENT > 9608 Flora, Fauna and Biodiversity > 960811 Sparseland, Permanent Grassland and Arid Zone Flora, Fauna and Biodiversity @ 50%
96 ENVIRONMENT > 9604 Control of Pests, Diseases and Exotic Species > 960410 Control of Pests, Diseases and Exotic Species in Sparseland, Permanent Grassland and Arid Zone Environments @ 50%
Citation Count from Scopus Scopus 9
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