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With eyes wide open: a revision of species within and closely related to the Pocillopora damicornis species complex (Scleractinia; Pocilloporidae) using morphology and genetics
Schmidt-Roach, S.; Miller, K.J.; Lundgren, P.; Andreakis, N. (2014). With eyes wide open: a revision of species within and closely related to the Pocillopora damicornis species complex (Scleractinia; Pocilloporidae) using morphology and genetics. Zool. J. Linn. Soc. 170(1): 1-33. http://dx.doi.org/10.1111/zoj.12092
In: Zoological Journal of the Linnean Society. Academic Press: London. ISSN 0024-4082; e-ISSN 1096-3642
Peer reviewed article  
Beschikbaar in  Auteurs 
Trefwoorden
    Animal products > Coral
    Australia
    Biological phenomena > Evolution
    ISEW, Great Barrier Reef
    Morphometric analysis
    Speciation
    Australia [Marine Regions]; Great Barrier Reef [Marine Regions]
Author keywords
    Cryptic species; Fine-scale morphology; speciation; Species boundaries; Unified Species Concept
Auteurs  Top 
  • Schmidt-Roach, S.
  • Miller, K.J.
  • Lundgren, P.
  • Andreakis, N.
Abstract
    Molecular studies have been instrumental for refining species boundaries in the coral genus Pocillopora and revealing hidden species diversity within the extensively studied global species Pocillopora damicornis. Here we formally revise the taxonomic status of species closely related to and within the P.?damicornis species complex, taking into account both genetic evidence and new data on morphometrics, including fine-scale corallite and coenosteum structure. We found that mitochondrial molecular phylogenies are congruent with groups based on gross-morphology, therefore reflecting species-level differentiation. However, high levels of gross morphological plasticity and shared morphological characteristics mask clear separation for some groups. Fine-scale morphological variation, particularly the shape and type of columella, was useful for differentiating between clades and provides an excellent signature of the evolutionary relationships among genetic lineages. As introgressive hybridization and incomplete lineage sorting complicate the delineation of species within the genus on the basis of a single species concept, the Unified Species Concept may represent a suitable approach in revising Pocillopora taxonomy. Eight species are herein described (P.?damicornis, P.?acuta, P.?aliciae, P.?verrucosa, P.?meandrina, P.?eydouxi, P.?cf. brevicornis), including a novel taxon – Pocillopora bairdi sp. nov. (Schmidt-Roach, this study). Citation synonyms and type materials are presented.
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