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Asian Journal of Biological and Life sciencesNOW IN
Article

Fishery characteristics of Portunid Crabs (Scylla serrata) from Two Different Sites Along the Sindh Coast (northern Arabian Sea)

Muhammad Rehan Alam1★, Pirzada Jamal Siddiqui1, Safia Hassan1, Ambareen Abbas1, Saleem Akhtar2, Mansoor Zafar2, Muhammad Hanif Somoro2★ Corresponding author

  1. 1Centre of Excellence in Marine Biology, University of Karachi, 75270, PAKISTAN.
  2. 2Directorate of Fisheries Sindh, Research & Development, Livestock and Fisheries Department, Govt. of Sindh., PAKISTAN.

CORRESPONDENCE

Muhammad Rehan Alam

Centre of Excellence in Marine Biology, University of Karachi, 75270, PAKISTAN.

alam_mrchan@hotmail.com

Received: 02-01-2018; Revised: 15-02-2018; Accepted: 30-03-2018.

Volume 7, Issue 1 · pp. 8–16 · PUBLISHED 1 May 2018 · DOI:

View on AJBLS original site ↗

ABSTRACT

Portunid crab (Scylla serrata) is most abundant species and commonly known as mud crab. This study was conducted to estimate the sex ratio, carapace width (CW), body weight (BW) and maturity size from two different study sites along the Sindh Coast, Pakistan. A total of 253 and 272 individuals were collected from site 1 and site 2 respectively. The male and female represented sex ratio (1: 0.97) from site-1 and (1: 1.04) from site-2. The average catch per unit effort (CPUE) estimated during whole study period were (1.17±0.40) and (1.26±0.35) from site 1 and 2 respectively. The regression analysis for carapace width-weight indicated strong relationship and size frequency distribution representing higher abundance of individuals within the size class of CW (71-80), (81-90) and (91-110). This study would be helpful for management and monitoring local fishing practice to improve the catch and sustainability of wild population.

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    Alam, M. R., Siddiqui, P. J., Hassan, S., Abbas, A., Akhtar, S., Zafar, M., & Somoro, M. H. (2018). Fishery characteristics of Portunid Crabs (Scylla serrata) from Two Different Sites Along the Sindh Coast (northern Arabian Sea). Asian Journal of Biological and Life sciences, 7(1), 8–16.