CAI Xiaopeng, QU Meng, DING Shaoxiong, WANG Hangjun, WANG Hongjie, HU Luyi, SU Yongquan. Differentiation of coral trout (Plectropomus leopardus) based on an analysis of morphology and complete mitochondrial DNA: Are cryptic species present?[J]. Acta Oceanologica Sinica, 2013, 32(6): 40-46. doi: 10.1007/s13131-013-0304-6
Citation: CAI Xiaopeng, QU Meng, DING Shaoxiong, WANG Hangjun, WANG Hongjie, HU Luyi, SU Yongquan. Differentiation of coral trout (Plectropomus leopardus) based on an analysis of morphology and complete mitochondrial DNA: Are cryptic species present?[J]. Acta Oceanologica Sinica, 2013, 32(6): 40-46. doi: 10.1007/s13131-013-0304-6

Differentiation of coral trout (Plectropomus leopardus) based on an analysis of morphology and complete mitochondrial DNA: Are cryptic species present?

doi: 10.1007/s13131-013-0304-6
  • Received Date: 2012-05-24
  • Rev Recd Date: 2012-10-12
  • Two morphotypes of Plectropomus leopardus have been identified; morphometric and meristic analyses show that there is no diagnostic difference between them. A difference in color pattern was the most appropriate phenotypic character with which to distinguish between the two morphotypes. Complete mitochondrial DNA sequencing, however, indicated a clear difference between the two morphotypes. Barcoding analysis revealed no significant difference (P>0.05) in CO1 or ND2 divergence among intramorphotypic individuals, even between geographically separated populations, whereas the intermorphotypic CO1 and ND2 divergences were large enough (averaging 0.95% for CO1 and 1.37% for ND2) to clearly discriminate between the two morphotypes. The color pattern difference, geographical distribution, together with the mtDNA and barcode sequencing data, suggest that the two morphotypes should be of two subspecies or even two species.
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