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Phylogeography and evolution of butterflyfish in the subgenus Corallochaetodon : Chaetodon lunulatus, Chaetodon trifasciatus, Chaetodon austriacus, Chaetodon melapterus
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|Title:||Phylogeography and evolution of butterflyfish in the subgenus Corallochaetodon : Chaetodon lunulatus, Chaetodon trifasciatus, Chaetodon austriacus, Chaetodon melapterus|
|Authors:||Waldrop, Ellen Marie|
mtDNA cytochrome b
|Issue Date:||May 2014|
|Publisher:||[Honolulu] : [University of Hawaii at Manoa], [May 2014]|
|Abstract:||The subgenus Corallochaetodon consists of four partially overlapping specialized corallivores: Chaetodon lunulatus (Pacific Ocean), Chaetodon trifasciatus (Indian Ocean), Chaetodon melapterus (northern Indian Ocean), Chaetodon austriacus (Red Sea). Phylogenetic and population genetic analysis of mtDNA cytochrome b sequences reveal divergent patterns of genetic diversity and population structure. Phylogenetic reconstruction shows that C. lunulatus diverged from sister species C. trifasciatus approximately 3 million years ago, while C. melapterus and C. austriacus comprise a cluster of closely related haplotypes derived from C. trifasciatus over the last half million years. Microsatellite loci analysis revealed varying levels of population structure in C. lunulatus and C. trifasciatus. This evolutionary divergence may have been initiated along biogeographic boundaries such as the barrier between Indian and Pacific Oceans, and between the Indian Ocean and Red Sea. Species integrity in regions of overlap may be reinforced by ecological factors such as mate choice, habitat preferences, and the documented differences in coral prey between species.|
|Description:||M.S. University of Hawaii at Manoa 2014.|
Includes bibliographical references.
|Rights:||All UHM dissertations and theses are protected by copyright. They may be viewed from this source for any purpose, but reproduction or distribution in any format is prohibited without written permission from the copyright owner.|
|Appears in Collections:||M.S. - Zoology|
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