Occurrence of Contracaecum bancrofti larvae in fish in the Murray-Darling Basin

Journal of Helminthology
Shokoofeh ShamsiS Wassens

Abstract

There is a paucity of information on the diversity and occurrence of freshwater fish parasites in Australia. This study investigates the distribution and occurrence of a parasitic nematode of the genus Contracaecum in freshwater fish from south-eastern Australia. Fish (n = 508) belonging to nine species and eight families were collected from eight wetlands associated with the Murrumbidgee River floodplain in the southern Murray-Darling Basin and subjected to laboratory examination. Third-stage nematode larvae were found in eight of the nine fish species. The exception was the fly-specked hardeyhead (Craterocephalus stercusmuscarum), although only one specimen of this species was examined. Nematode larvae were identified as Contracaecum bancrofti using a combined morphological and molecular approach. The parasite was most prevalent in weather loach (Misgurnus anguillicaudatus; 34.8%) and Australian smelt (Retropinna semoni; 21.4%), followed by carp (Cyprinus carpio; 9.5%), of which the former and latter are non-native species. Contracaecum prevalence differed between locations, with Two Bridges having the highest number of infected fish. This may be due to the higher number of suitable host species collected at these localities....Continue Reading

References

Jun 1, 1977·International Journal for Parasitology·L R Cannon
Jan 1, 1986·Journal of Biomechanics·T M van EijdenW A Weijs
Oct 5, 2002·Diseases of Aquatic Organisms·A J LymberyT Wong
May 23, 2006·Trends in Ecology & Evolution·Peter J HudsonKevin D Lafferty
Mar 16, 2011·The Medical Journal of Australia·Shokoofeh Shamsi, Andrew R Butcher
Sep 3, 2014·International Journal for Parasitology. Parasites and Wildlife·Alan J LymberyDavid L Morgan
Aug 8, 2015·Zootaxa·Lesley R Smales, Haylee J Weaver
Apr 5, 2016·International Journal of Food Microbiology·Shokoofeh Shamsi, Jaydipbhai Suthar

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