title: DNA barcoding of morid cods reveals deep divergence in the antitropical Halargyreus johnsoni but little distinction between Antimora rostrata and Antimora microlepis.
abstract: OBJECTIVE
  DNA barcoding strongly suggests that specimens of the slender codling (Halargyreus johnsonii) from New Zealand and Tasmania belong to a different species to H. johnsonii reported from other areas.
  
  
  RESULTS
  Sequence divergence between the two groups averaged 3.95%, much higher than within-group divergences of 0.03 and 0.02% for specimens, respectively, from New Zealand-Tasmania and from the North Pacific, Atlantic Ocean, and Southern Ocean.
  
  
  CONCLUSIONS
  Meristic data for specimens from New Zealand and from the Southern Ocean north of the Ross Sea support the conclusion of two species. DNA barcodes for two sister taxa, Antimora rostrata and Antimora microlepis, show low intra-species (0.3-0.06%) and inter-species (0.23%) divergence.
authors.affiliation: National Institute of Water & Atmospheric Research Ltd, Wellington 6241, New Zealand. p.smith@niwa.co.nz
authors.forename: Peter J
authors.initials: PJ
authors.lastname: Smith
authors.forename: Dirk
authors.initials: D
authors.lastname: Steinke
authors.forename: Peter
authors.initials: P
authors.lastname: McMillan
authors.forename: Andrew
authors.initials: A
authors.lastname: Stewart
authors.forename: Robert D
authors.initials: RD
authors.lastname: Ward
mesh_terms: D000818:Animals; D058893:DNA Barcoding, Taxonomic / Q000379:methods*; D004272:DNA, Mitochondrial / Q000235:genetics*; D003576:Electron Transport Complex IV / Q000235:genetics; D019143:Evolution, Molecular; D048388:Gadiformes / Q000145:classification* / Q000235:genetics* / Q000502:physiology; D008386:Marine Biology; D009520:New Zealand; D009792:Oceans and Seas; D017422:Sequence Analysis, DNA; D013045:Species Specificity; D013648:Tasmania
chemical_list: D004272:DNA, Mitochondrial; D003576:Electron Transport Complex IV