BMC Evolutionary Biology BioMed Central Research article Open Access Distinct migratory and non-migratory ecotypes of an endemic New Zealand eleotrid (Gobiomorphus cotidianus) – implications for incipient speciation in island freshwater fish species Christian Michel*1, Brendan J Hicks2, Kai N Stölting3, Andrew C Clarke4,5, Mark I Stevens4,6, Ray Tana2, Axel Meyer7 and Michael R van den Heuvel8 Address: 1Limnological Institute, University of Konstanz, Konstanz, Germany, 2Centre for Biodiversity and Ecology Research, Department of Biological Sciences, University of Waikato, Hamilton, New Zealand, 3Zoological Museum, University of Zürich, Zürich, Switzerland, 4Allan Wilson Centre for Molecular Ecology and Evolution, Massey University, Palmerston North, New Zealand, 5Institute of Molecular BioSciences, Massey University, Palmerston North, New Zealand, 6School of Biological Sciences, Flinders University, Adelaide, SA, Australia, 7Evolutionary Biology, University of Konstanz, Konstanz, Germany and 8Canadian Rivers Institute, University of Prince Edward Island, Prince Edward Island, Canada Email: Christian Michel* -
[email protected]; Brendan J Hicks -
[email protected]; Kai N Stölting -
[email protected]; Andrew C Clarke -
[email protected]; Mark I Stevens -
[email protected]; Ray Tana -
[email protected]; Axel Meyer -
[email protected]; Michael R van den Heuvel -
[email protected] * Corresponding author Published: 14 February 2008 Received: 6 August 2007 Accepted: 14 February 2008 BMC Evolutionary Biology 2008, 8:49 doi:10.1186/1471-2148-8-49 This article is available from: http://www.biomedcentral.com/1471-2148/8/49 © 2008 Michel et al; licensee BioMed Central Ltd. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.