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Occurrence of cutaneous infections of Myxobolus episquamalis (Myxozoa: Myxobolidae) in sea mullet, Mugil cephalus L, in Australia |
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| Authors: | JT ROTHWELL JL VIRGONA RB CALLINAN PJ NICHOLLS JS LANGDON |
| Institution: | NSW Agriculture, Elizabeth Macarthur Agricultural Institute, Camden, New South Wales, 2570;NSW Fisheries, Fisheries Research Institute, Cronuila, New South Wales 2230;NSW Fisheries, Regional Veterinary Laboratory, Wollongbar, New South Wales 2480;Fish Health Section, Departments of Agriculture and Fisheries South Perth, Western Australia 6151 |
| Abstract: | Objective To report the occurrence of Myxobolus episquamalis in sea mullet, Mugil cephalus L , caught in estuaries in eastern and western Australia. Design A prospective study of commercial catches of mullet in the Clarence River of NSW and individual cases from other areas. Results The organism caused pale, white to pink, raised lesions on the scales and fins of sea mullet. Occurrence of infection was highest in spring and in a marine (down-river) environment compared to a brackish environment. Up to 6% of fish were affected in commercial catches. Conclusion The infection is widespread in Australian mullet, but rarely causes significant economic loss. |
| Keywords: | Myxobolus Mugil cephalus mullet dermatitis |