Zootaxa 3898 (1): 001–198 ISSN 1175-5326 (print edition) www.mapress.com/zootaxa/ Monograph ZOOTAXA Copyright © 2014 Magnolia Press ISSN 1175-5334 (online edition) http://dx.doi.org/10.11646/zootaxa.3898.1.1 http://zoobank.org/urn:lsid:zoobank.org:pub:11B5F959-3AB3-41C0-9B6C-E066AADD2593 ZOOTAXA 3898 Fifteen from one: a revision of the Galaxias olidus Günther, 1866 complex (Teleostei, Galaxiidae) in south-eastern Australia recognises three previously described taxa and describes 12 new species TARMO A. RAADIK1, 2 1 Arthur Rylah Institute for Environmental Research, Department of Environment and Primary Industries, 123 Brown Street, Heidel- berg, Victoria 3084, Australia. E-mail: [email protected] 2 Research Associate, Ichthyology, Museum Victoria, GPO Box 666. Melbourne, Victoria 3001, Australia Magnolia Press Auckland, New Zealand Accepted by R. Pethiyagoda: 29 Sept. 2014; published: 18 Dec. 2014 TARMO A. RAADIK Fifteen from one: a revision of the Galaxias olidus Günther, 1866 complex (Teleostei, Galaxiidae) in south-eastern Australia recognises three previously described taxa and describes 12 new species. (Zootaxa 3898) 198 pp.; 30 cm. 18 Dec. 2014 ISBN 978-1-77557-601-3 (paperback) ISBN 978-1-77557-602-0 (Online edition) FIRST PUBLISHED IN 2014 BY Magnolia Press P.O. Box 41-383 Auckland 1346 New Zealand e-mail: [email protected] http://www.mapress.com/zootaxa/ © 2014 Magnolia Press All rights reserved. No part of this publication may be reproduced, stored, transmitted or disseminated, in any form, or by any means, without prior written permission from the publisher, to whom all requests to reproduce copyright material should be directed in writing. This authorization does not extend to any other kind of copying, by any means, in any form, and for any purpose other than private research use. ISSN 1175-5326 (Print edition) ISSN 1175-5334 (Online edition) 2 · Zootaxa 3898 (1) © 2014 Magnolia Press RAADIK Table of contents Table of contents . 3 Abstract . 3 Introduction . 4 Historical background . 5 Brief overview of Galaxias olidus s.l. 7 Materials and methods . 8 Study material . 8 Morphology . 11 Genetic analysis. 17 Results . 17 Assessment of additional characters . 18 Systematics . 21 Order Galaxiiformes . 21 Family Galaxiidae Müller, 1846. 21 Subfamily Galaxiinae . 22 Key to Australian genera of Galaxiinae. 22 Genus Galaxias Cuvier . 22 Key to differentiating the Galaxias olidus complex from south-east mainland Australian species of Galaxias . 23 Galaxias olidus complex . 23 Morphological key to species in the Galaxias olidus complex . 24 Species Treatments . 26 Galaxias aequipinnis, new species . 29 Galaxias arcanus, new species . 37 Galaxias brevissimus, new species . 48 Galaxias fuscus Mack, 1936 . 53 Galaxias gunaikurnai, new species . 63 Galaxias lanceolatus, new species . 68 Galaxias longifundus, new species . 74 Galaxias mcdowalli, new species . 79 Galaxias mungadhan, new species . 86 Galaxias olidus Günther, 1866 . 92 Galaxias oliros, new species . 111 Galaxias ornatus Castelnau, 1873 . 124 Galaxias supremus, new species . 135 Galaxias tantangara, new species. 142 Galaxias terenasus, new species . 147 Discussion . 156 The Galaxiidae (revised) . 158 Salmonid impacts on the Galaxias olidus complex. 158 Acknowledgements . ..