Journal article
Discovery of a host fish for glochidia of Velesunio angasi (Sowerby, 1867) (Bivalvia : Unionoida : Hyriidae) from the Fortescue River, Pilbara, Western Australia
Australian Journal of Zoology, Vol.58(4), pp.263-266
2010
Abstract
Freshwater fishes are the most common hosts of the glochidia (parasitic larvae) of freshwater mussels (Bivalvia: Unionoida: Unionoidea). Velesunio angasi (Sowerby, 1867) (Hyriidae), is the only known hyriid species recorded from the Fortescue River in the Pilbara region of Western Australia. Eleven species of fish (n = 516) were captured from pools of the Fortescue River in June 2010. Small, white, bladder-like cysts were observed on Neosilurus hyrtlii Steindachner, 1867, though not on any of the remaining 10 species examined. Light microscopy of sectioned cysts revealed that they contained glochidia that were of similar size and shape to those of V. angasi. Glochidia were found on 73.2% of 168 N. hyrtlii examined, with a mean intensity of 3.3 cysts per infested fish. Prevalence was significantly greater on smaller fish (P < 0.01); however, no relationship between size and intensity of infestation was observed. This represents the first record of glochidia infestation on fish from the Pilbara region.
Details
- Title
- Discovery of a host fish for glochidia of Velesunio angasi (Sowerby, 1867) (Bivalvia : Unionoida : Hyriidae) from the Fortescue River, Pilbara, Western Australia
- Authors/Creators
- M.W. Klunzinger (Author/Creator)D.L. Morgan (Author/Creator)A.J. Lymbery (Author/Creator)B.C. Ebner (Author/Creator)S.J. Beatty (Author/Creator)G.J. Thomson (Author/Creator)
- Publication Details
- Australian Journal of Zoology, Vol.58(4), pp.263-266
- Publisher
- CSIRO Publishing
- Identifiers
- 991005543107207891
- Copyright
- (c) CSIRO
- Murdoch Affiliation
- Freshwater Fish Group and Fish Health Unit; Centre for Fish and Fisheries Research
- Language
- English
- Resource Type
- Journal article
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- Collaboration types
- Domestic collaboration
- Citation topics
- 3 Agriculture, Environment & Ecology
- 3.2 Marine Biology
- 3.2.1002 Bivalve Ecology
- Web Of Science research areas
- Zoology
- ESI research areas
- Plant & Animal Science