IMIS | Flanders Marine Institute
 

Flanders Marine Institute

Platform for marine research

IMIS

Publications | Institutes | Persons | Datasets | Projects | Maps
[ report an error in this record ]basket (0): add | show Printer-friendly version

Iterative ecological radiation and convergence during the evolutionary history of damselfishes (Pomacentridae)
Frédérich, B.; Sorenson, L.; Santini, F.; Slater, G.; Alfaro, M. (2013). Iterative ecological radiation and convergence during the evolutionary history of damselfishes (Pomacentridae). American Naturalist 181(1): 94-113. dx.doi.org/10.1086/668599
In: The American Naturalist. George W. Salt/University of Chicago: Salem, Mass.. ISSN 0003-0147, more
Peer reviewed article  

Available in  Authors 

Keyword
    Marine
Author keywords
    coral reef fishes; disparity; geometric morphometrics; morphospace;Ornstein-Uhlenbeck; repeated adaptive radiations

Authors  Top 
  • Frédérich, B., more
  • Sorenson, L.
  • Santini, F.
  • Slater, G.
  • Alfaro, M.

Abstract
    Coral reef fishes represent one of the most spectacularly diverse assemblages of vertebrates on the planet, but our understanding of their mode of diversification remains limited. Here we test whether the diversity of the damselfishes (Pomacentridae), one of the most species-rich families of reef-associated fishes, was produced by a single or multiple adaptive radiation(s) during their evolutionary history. Tests of the tempo of lineage diversification using a time-calibrated phylogeny including 208 species revealed that crown pomacentrid diversification has not slowed through time as expected under a scenario of a single adaptive radiation resulting from an early burst of diversification. Evolutionary modeling of trophic traits similarly rejected the hypothesis of early among-lineage partitioning of ecologically important phenotypic diversity. Instead, damselfishes are shown to have experienced iterative convergent radiations wherein subclades radiate across similar trophic strategies (i.e., pelagic feeders, benthic feeders, intermediate) and morphologies. Regionalization of coral reefs, competition, and functional constraints may have fueled iterative ecological radiation and convergent evolution of damselfishes. Through the Pomacentridae, we illustrate that radiations may be strongly structured by the nature of the constraints on diversification.

All data in IMIS is subject to the VLIZ privacy policy Top | Authors