African Journal of
Biotechnology

  • Abbreviation: Afr. J. Biotechnol.
  • Language: English
  • ISSN: 1684-5315
  • DOI: 10.5897/AJB
  • Start Year: 2002
  • Published Articles: 12487

Full Length Research Paper

The effect of depth variation on size and catch rate of green tiger shrimp, Penaeus semisulcatus (De Haan, 1884) in Bushehr coastal waters, Northern Persian Gulf

Moslem Daliri1*, Seyed Yousef Paighambari1, Mohammad Javad Shabani2 and Reza Davoodi3
1Fisheries Department, Gorgan University of Agricultural Sciences and Natural Resources, Gorgan, Iran. 2Iran Shrimp Research Centre, Bushehr, Iran. 3Agricultural and Natural Resources College, Persian Gulf University, Bushehr, Iran.  
Email: [email protected]

  •  Accepted: 07 July 2012
  •  Published: 15 May 2013

Abstract

Catch data of Penaeus semisulcatus were collected for three years (2009-2011) during the period of June to August to estimate the effect of depth variation on length frequency and catch rate (Kg h-1) of the species. No difference was observed between the shallow and deeper catch rate (ANOVA test, P > 0.05). However, the size composition of green tiger shrimp were affected by depth variation (Kolmogorov-Smirnov test, P < 0.05) and were positively correlated with depth (P < 0.05 and r = 0.140). The smaller individuals prefer shallow waters, indicating behaviour differences between the juveniles and adults of this species. The positive correlation between size of shrimp and water depth can be attributed to the behaviour predation.

 

Key words: Green tiger shrimp, Penaeus semisulcatus, catch rate, depth variation, Persian Gulf.

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This article is published under the terms of the Creative Commons Attribution License 4.0

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