Haematozoa of wild catfishes in northern Australia
| Autor: | Amanda D. Barbosa, S. Gibson-Kueh, E. Kelly, Alan J. Lymbery |
|---|---|
| Rok vydání: | 2018 |
| Předmět: |
0301 basic medicine
biology Blood smear Teleost Haematozoa Haemogregarine Zoology biology.organism_classification Tandanus Pathogenicity Trypanosome Article Neoarius graeffei 03 medical and health sciences 030104 developmental biology Infectious Diseases Northern australia lcsh:Zoology Freshwater fish Animal Science and Zoology Parasitology lcsh:QL1-991 Tandanus tropicanus |
| Zdroj: | International Journal for Parasitology: Parasites and Wildlife International Journal for Parasitology: Parasites and Wildlife, Vol 7, Iss 1, Pp 12-17 (2018) |
| ISSN: | 2213-2244 |
| Popis: | Very little is known about the diversity, prevalence, or pathogenicity of haematozoa in Australian freshwater fishes. Blood smears from 189 native catfishes, of six different species, from northern Australia were examined for haematozoa. Haematozoan infections were observed only in fishes from Queensland, at an overall prevalence of 0.191 (95% CI = 0.134–0.265). Intraerythrocytic haemogregarines were present in Neoarius graeffei from the Brisbane River at a prevalence of 0.35 (0.181–0.567). Trypanosomes were present in Tandanus species from four rivers, at prevalences ranging from 0.111 (0.020–0.330) to 1 (0.635–1), and in N. graeffei from one river in Queensland, at a prevalence of 0.063 (0.003–0.305). The haematozoans observed appeared to have little impact on their hosts. Tandanus spp. were significantly more likely to be infected with trypanosomes, suggesting a high parasite-host specificity. This is the first widespread survey of wild Australian freshwater catfishes for haematozoa, resulting in the first report of haemogregarines from Australian freshwater fish, and the first report of trypanosomes from Neoarius graeffei and Tandanus tropicanus. Graphical abstract Image 1 Highlights • First widespread survey of wild freshwater catfishes for haematozoa in Australia. • First report of haemogregarines in Australian freshwater fishes. • First report of trypanosomes in 2 species of ariid and plotosid catfishes. • Two morphological forms of trypanosomes may represent different species. |
| Databáze: | OpenAIRE |
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