Observations on the health of Tandanus tropicanus (Teleostei: Plotosidae) from an Australian river system

Kelly, E., Gibson-Kueh, S., Ebner, B.C., Donaldson, J.A., Yang, R., Buller, N., Hair, S., Morgan, D.L., and Lymbery, A.J. (2016) Observations on the health of Tandanus tropicanus (Teleostei: Plotosidae) from an Australian river system. Australian Zoologist, 38 (1). pp. 83-89.

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Abstract

Wild Wet Tropics tandan Tandanus tropicanus were collected from the Bloomfield River, Queensland, for examination by histopathology and bacteriology. This provided an opportunity to establish baseline information on the general health and parasite fauna of native freshwater catfish in a pristine river. Histology of gill tissue revealed epitheliocystis in one fish. This is the first report of epitheliocystis in T. tropicanus. Bacterial culture showed light growth of bacteria from the kidney of only two fish, and these were identified as Aeromonas veronii, A. jandaei and Bacillus/Lactobacillus spp. An unidentified monogenean infection was observed in the gills of four fish, and trematode metacercariae were observed in the extra-ocular tissue of four fish. Nematodes were observed in the tissues of nine fish, and sequence and preliminary phylogenetic analysis of PCR products using an ITS primer suggest that these parasites may be a previously unreported Contracaecum species.

Item ID: 42932
Item Type: Article (Research - C1)
ISSN: 0067-2238
Keywords: wild catfish, histology, fish health, Wet Tropics
Funders: Fisheries Research and Development Corporation (FRDC)
Projects and Grants: FRDC Project 2012/050
Date Deposited: 23 Feb 2016 05:25
FoR Codes: 06 BIOLOGICAL SCIENCES > 0602 Ecology > 060204 Freshwater Ecology @ 50%
07 AGRICULTURAL AND VETERINARY SCIENCES > 0704 Fisheries Sciences > 070404 Fish Pests and Diseases @ 50%
SEO Codes: 96 ENVIRONMENT > 9608 Flora, Fauna and Biodiversity > 960807 Fresh, Ground and Surface Water Flora, Fauna and Biodiversity @ 40%
96 ENVIRONMENT > 9604 Control of Pests, Diseases and Exotic Species > 960406 Control of Pests, Diseases and Exotic Species in Fresh, Ground and Surface Water Environments @ 60%
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