Cleaning up the biogeography of Labroides dimidiatus using phylogenetics and morphometrics

Sims, C. A., Riginos, C., Blomberg, S. P., Huelsken, T., Drew, J. and Grutter, A. S. (2014) Cleaning up the biogeography of Labroides dimidiatus using phylogenetics and morphometrics. Coral Reefs, 33 1: 223-233. doi:10.1007/s00338-013-1093-2


Author Sims, C. A.
Riginos, C.
Blomberg, S. P.
Huelsken, T.
Drew, J.
Grutter, A. S.
Title Cleaning up the biogeography of Labroides dimidiatus using phylogenetics and morphometrics
Formatted title
Cleaning up the biogeography of Labroides dimidiatus using phylogenetics and morphometrics
Journal name Coral Reefs   Check publisher's open access policy
ISSN 0722-4028
1432-0975
Publication date 2014-03-01
Year available 2013
Sub-type Article (original research)
DOI 10.1007/s00338-013-1093-2
Volume 33
Issue 1
Start page 223
End page 233
Total pages 11
Place of publication Heidelberg, Germany
Publisher Springer
Language eng
Formatted abstract
Cleaner fishes are some of the most conspicuous organisms on coral reefs due to their behaviour and prominent body pattern, consisting of a lateral stripe and blue/yellow colouration. All obligate cleaner fishes share this body stripe pattern, which is an important signal for attracting client fishes. However, variability in the cleaning signal of the cleaner fish Labroides dimidiatus has been documented across its range. Here, we investigate the geographic distribution of cleaner signal polymorphisms in L. dimidiatus and contrast this to phylogeographic variation in mitochondrial (mt) DNA. We used samples from 12 sites for genetic analyses, encompassing much of L. dimidiatus’ range from the Red Sea to Fiji. We obtained morphometric measures of the cleaner signal body stripe width from individuals among six of the sites and qualitatively grouped tail stripe shape. mtDNA control region sequences were used for phylogenetic and population genetic analyses. We found that body stripe width was significantly correlated with tail stripe shape and geographical location, with Indian Ocean populations differing in morphology from western Pacific populations. L. dimidiatus haplotypes formed two reciprocally monophyletic clades, although in contrast to morphology, Japanese cleaner fish fell within the same clade as Indian Ocean cleaner fish and both clade types were sympatric in Papua New Guinea. An additional novel finding of our research was that the inclusion of two closely related cleaner fish species, Labroides pectoralis and Labroides bicolor, in the phylogenetic analysis rendered L. dimidiatus polyphyletic. Overall, the findings suggest the diversity within L. dimidiatus is underestimated.
Keyword Communication signals
Cleaner fish
Indo-Pacific
Morphometrics
Phylogeography
Phylogenetics
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ
Additional Notes Published online ahead of print: 27 October 2013.

Document type: Journal Article
Sub-type: Article (original research)
Collections: Official 2014 Collection
School of Biological Sciences Publications
 
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Created: Thu, 13 Feb 2014, 18:08:43 EST by Gail Walter on behalf of School of Biological Sciences