Tandanus bellingerensis, new species, is described based on specimens from four river drainages (Bellinger, Macleay, Hastings, and Manning rivers) of the mid-northern coast of New South Wales, Australia. Previously, three species were recognized in the genus Tandanus: T. tropicanus of the wet tropics region of northeast Queensland, T. tandanus of the Murray-Darling drainage and coastal streams of central-southern Queensland and New South Wales, and T. bostocki of southwestern Western Australia. The new species is distinguished from all congeners by a combination of the following morphologic characters: a high count of rays in the continuous caudodorsal and anal fins (range 153–169, mode 159), a high count of gill rakers on the first arch (range 35–39, mode 36), and strongly recurved posterior serrae of the pectoral-fin spine. Additionally, results from previously conducted genetic studies corroborate morphologic and taxonomic distinctness of the new species.
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June 02 2017
A New Species of Freshwater Eel-tailed Catfish of the Genus Tandanus (Teleostei: Plotosidae) from Coastal Rivers of Mid-northern New South Wales, Australia
Stuart A. Welsh;
Stuart A. Welsh
1U.S. Geological Survey, West Virginia Cooperative Fish and Wildlife Research Unit, 322 Percival Hall, Morgantown, West Virginia 26506-6125; Email: swelsh@wvu.edu. Send reprint requests to this address.
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Dean R. Jerry;
Dean R. Jerry
2Centre for Sustainable Tropical Fisheries and Aquaculture, and College of Science and Engineering, James Cook University, Townsville, Queensland 4811, Australia; Email: dean.jerry@jcu.edu.au.
3Centre for Tropical Water and Aquatic Ecosystem Research (TropWATER), James Cook University, Townsville, Queensland 4811, Australia; Email: (DWB) damien.burrows@jcu.edu.au.
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Damien W. Burrows;
Damien W. Burrows
3Centre for Tropical Water and Aquatic Ecosystem Research (TropWATER), James Cook University, Townsville, Queensland 4811, Australia; Email: (DWB) damien.burrows@jcu.edu.au.
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Meaghan L. Rourke
Meaghan L. Rourke
4Department of Primary Industries, Narrandera Fisheries Centre, P.O. Box 182, Narrandera, NSW 2700, Australia; Email: meaghan.duncan@dpi.nsw.gov.au.
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Copeia (2017) 105 (2): 229–236.
Citation
Stuart A. Welsh, Dean R. Jerry, Damien W. Burrows, Meaghan L. Rourke; A New Species of Freshwater Eel-tailed Catfish of the Genus Tandanus (Teleostei: Plotosidae) from Coastal Rivers of Mid-northern New South Wales, Australia. Copeia 1 July 2017; 105 (2): 229–236. doi: https://doi.org/10.1643/CI-16-547
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