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Benthic meiofaunal predation and composition in the tiger shrimp Penaeus monodon culture ponds, Malaysia

Abu Hena, Mustafa Kamal and Omar, Hishamuddin and Kusnan, Misri (2011) Benthic meiofaunal predation and composition in the tiger shrimp Penaeus monodon culture ponds, Malaysia. Advances in Environmental Biology, 5 (4). pp. 605-611. ISSN 1995-0756; ESSN: 1998-1066

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Abstract

The tiger shrimp Penaeus monodon fabricius assumed a predator of meiofaunas (53–500mm) in addition to the larger benthic macrofaunas (>1000mm) in the culture pond. The natural selection of benthic meiofaunas as a food source by shrimps was indicated throughout the study period. Twenty species of benthic meiofaunas were found in the culture ponds, which included harpacticoid copepoda, ostracoda, gastropoda, crustacean nauplii, nematoda, bivalvia, polychaeta and insecta. No significant difference (ANOVA, p>0.05) was observed for the quantitative results of the benthic meiofaunas between aged and new ponds sampled. Copepoda was the dominant group throughout the culture period in both aged (19.99–44.22 indivi 10/cm2) and new ponds (4.03–13.01 indivi/10cm2). This was followed by insecta (10.57–23.50 indivi/10cm2), polychaeta (6.89–15.31 indivi/10cm2) and nematoda (6.44–14.31 indivi/10cm2) in aged ponds. In new ponds, nematoda (2.61–2.73 indivi/10cm2) was found to be the second dominant species followed by insecta (0.54–0.56 indivi/10cm2). A major trend of variation of total benthic meiofaunas was observed during the culture period leading speculations that culture shrimps preyed them as a live or dead food together with supplemental diet and detritus. In addition, soil organic matter, growth performance of shrimps and water quality data were also observed and compared.

Item Type:Article
Keyword:Meiobenthos; Shrimp pond; Aquaculture; Malaysia
Faculty or Institute:Faculty of Science
Faculty of Agriculture and Food Sciences
Publisher:American-Eurasian Network for Scientific Information
ID Code:24838
Deposited By: Nur Farahin Ramli
Deposited On:28 Aug 2013 09:19
Last Modified:23 Oct 2015 09:43

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