Skip to main content

Distinguishing between two sympatric Acanthopagrus species from Dapeng Bay, Taiwan, using morphometric and genetic characters

Buy Article:

$51.00 plus tax (Refund Policy)

Morphometric and genetic data were used to compare two sympatric and morphologically similar species, Acanthopagrus berda and Acanthopagrus taiwanensis, in Dapeng Bay, South-western Taiwan. A principle component analysis of morphological data indicated a distinction between the two species, with pectoral fin length and eye diameter accounting for 32·27% of the variation. Interspecific sequence divergence, based on mtDNA cytochrome b (0·118 ± 0·01), was larger than intraspecific divergences between haplotypes (0·007 for A. taiwanensis and 0·003 for A. berda). Individuals of the two species clustered into different groups in three phylogenetic trees with 100% bootstrap support. The mean observed heterozygosity for eight microsatellite loci was 0·471 ± 0·202 for A. taiwanensis and 0·637 ± 0·145 for A. berda. Nei’s unbiased measure of interspecific genetic distance (DS) was 1·334. FST (0·134) and RST (0·404) values indicated significant differentiation between species. An unrooted neighbour-joining tree was constructed by allele-sharing distances and the factorial correspondence analysis split all specimens into two distinct clusters. The results of morphometric, mtDNA and microsatellite analyses indicated the presence of two species, A. taiwanensis and A. berda.
No References
No Citations
No Supplementary Data
No Data/Media
No Metrics

Keywords: cytochrome b; marine fish; microsatellites; mtDNA; sympatry

Document Type: Regular Paper

Affiliations: 1: Department of Physical Therapy, Shu Zen College of Medicine and Management, Kaohsiung 821, Taiwan, Republic of China 2: Department of Aquaculture, National Pingtung University of Science and Technology, Pingtung 912, Taiwan, Republic of China

Publication date: 2009-02-01

  • Access Key
  • Free content
  • Partial Free content
  • New content
  • Open access content
  • Partial Open access content
  • Subscribed content
  • Partial Subscribed content
  • Free trial content
Cookie Policy
Cookie Policy
Ingenta Connect website makes use of cookies so as to keep track of data that you have filled in. I am Happy with this Find out more