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Journal of Fisheries and Aquatic Science

Year: 2011  |  Volume: 6  |  Issue: 7  |  Page No.: 771 - 779

Stomach Contents of Sergestid Shrimp Acetes japonicus from the Estuary of Tanjung Dawai Peninsular Malaysia

A.A. Amani, S.M.N. Amin and A. Arshad

Abstract

The study on food and feeding habits of planktonic shrimp Acetes japonicus were done by examining the stomach contents of 164 specimens between June 2008 and May 2009. Samples were obtained from the bag net that was set along the bank of Tanjung Dawai estuary. Diet compositions of A. japonicus were grouped into eight major categories: phytoplankton, zooplankton, algae, appendages of crustacean, plant matter, debris, unidentifiable items and sand and mud. Analysis on the percentage of numerical abundance (Ci) showed that plant matter (28.18%) and crustacean appendages (18.70%) as the two highest values amongst the eight categories of food items. In addition, percentage frequency of occurrence (Fpi) values of phytoplankton, zooplankton, algae, plant matter, appendages of crustacean, debris, unidentified items and sand and mud were 3.54, 7.05, 5.07, 27.44, 17.42, 15.80, 8.94 and 19.81%, respectively. On the basis of food composition found in the stomach, it can be concluded that A. japonicus is omnivorous in feeding habit.

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