Population structure and fecundity of two species of grapsid crabs (Brachyura, Grapsidae) that inhabit the oyster reefs of western Taiwan

Kun Neng Chen, Jung Ting Hsu, Yih Tsong Ueng

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1 Citation (Scopus)

Abstract

This study on carcinological aspects of oyster farming was carried out at the coast of Yunlin County, Taiwan, for a period of 25 months from July 2012 to July 2014. The space formed by the clustering of the oyster shells provides a habitat for at least eight species of crabs. Nanosesarma minutum was the dominant species (73.7% or n = 18 753) with an average of 59.5 ± 30.6 individuals/string/month, while the average monthly rate of ovigerous females was 12.6 ± 13.0%, and the average number of eggs per berried female was 1510.8 ± 1018.7 eggs/individual. Hemigrapsus penicillatus was the second dominant species (23.9% or n = 6074) with an average of 17.4 ± 17.1 individuals/string/month; here, the average monthly rate of ovigerous female crabs was 4.6 ± 9.0, and the average number of eggs of a berried female was 3073.4 ± 2167.5 eggs/individual.

Original languageEnglish
Pages (from-to)1699-1714
Number of pages16
JournalCrustaceana
Volume90
Issue number14
DOIs
Publication statusPublished - 2017 Jan 1

All Science Journal Classification (ASJC) codes

  • Aquatic Science
  • Animal Science and Zoology

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