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Competitive interactions under experimental conditions affect diel feeding of two common aquaculture fish species Labeo calbasu (Hamilton, 1822) and Cirrhinus cirrhosus (Bloch, 1795) of southern Asia

Rahman, Mohammad Mustafizur and Balcombe, Stephen Richard (2017) Competitive interactions under experimental conditions affect diel feeding of two common aquaculture fish species Labeo calbasu (Hamilton, 1822) and Cirrhinus cirrhosus (Bloch, 1795) of southern Asia. Journal of Applied Ichthyology, 33 (1). pp. 146-151. ISSN 0175-8659 E-ISSN 1439-0426

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Abstract

The effects of interspecific competition on grazing between two important aquaculture species, mrigal carp Cirrhinus cirrhosis and orangefin labeo Labeo calbasu, in single and in dual combinations were observed in experimental tanks. This study demonstrated that the presence of a competitor did not cause C. cirrhosis to shift its diel feeding patterns. That said, both total food intake and food preference were negatively affected in C. cirrhosis by the presence of a superior competitor, L. calbasu. The feeding patterns of L. calbasu became diurnal in the presence of C. cirrhosus, suggesting highly complex competitive interactions between the two species. That L. calbasu was specifically able to shift circadian feeding patterns to maximize energy intake in the presence of a competitor would suggest that it would be a suitable species to stock in a mixed species aquaculture system.

Item Type: Article (Journal)
Additional Information: 6647/53765
Uncontrolled Keywords: Competitive interactions, experimental conditions, common aquaculture fish, species Labeo calbasu.
Subjects: S Agriculture > SH Aquaculture. Fisheries. Angling
Kulliyyahs/Centres/Divisions/Institutes (Can select more than one option. Press CONTROL button): Kulliyyah of Science > Department of Marine Science
Depositing User: Dr. Mohammad Mustafizur Rahman
Date Deposited: 29 Dec 2016 12:29
Last Modified: 17 Apr 2018 10:47
URI: http://irep.iium.edu.my/id/eprint/53765

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