Journal article
Effects of an adaptive zone shift on morphological and ecological diversification in terapontid fishes
Evolutionary Ecology, Vol.28(2), pp.205-227
2014
Abstract
A fundamental goal of evolutionary ecology is understanding the processes responsible for contemporary patterns of morphological diversity and species richness. Transitions across the marine-freshwater interface are regarded as key triggers for adaptive radiation of many clades. Using the Australian terapontid fish family as a model system we employed phylogenetic analyses to compare the rates of ecological (dietary) and morphological evolution between marine and freshwater species of the family. Results suggested significantly higher rates of phenotypic evolution in key dietary and morphological characters in freshwater species compared to marine counterparts. Moreover, there was significant correlation between several of these dietary and morphological characters, suggesting an underlying ecomorphological aspect to these greater rates of phenotypic evolution in freshwater clades. Australia's biogeographic history, which has precluded colonisation by many of the major ostariophysan fish families that make up much global freshwater fish diversity, appears to have provided the requisite 'ecological opportunity' to facilitate the radiation of invading marine-derived fish clades.
Details
- Title
- Effects of an adaptive zone shift on morphological and ecological diversification in terapontid fishes
- Authors/Creators
- A.M. Davis (Author/Creator) - James Cook UniversityP.J. Unmack (Author/Creator) - University of CanberraB.J. Pusey (Author/Creator) - The University of Western AustraliaR.G. Pearson (Author/Creator) - James Cook UniversityD.L. Morgan (Author/Creator) - Murdoch University
- Publication Details
- Evolutionary Ecology, Vol.28(2), pp.205-227
- Publisher
- Springer Netherlands
- Identifiers
- 991005541859607891
- Copyright
- © 2013 Springer Science+Business Media Dordrecht.
- Murdoch Affiliation
- Freshwater Fish Group and Fish Health Unit
- Language
- English
- Resource Type
- Journal article
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- Collaboration types
- Domestic collaboration
- International collaboration
- Citation topics
- 3 Agriculture, Environment & Ecology
- 3.64 Phylogenetics & Genomics
- 3.64.34 Phylogenetic Relationships
- Web Of Science research areas
- Ecology
- Evolutionary Biology
- Genetics & Heredity
- ESI research areas
- Environment/Ecology