contents of Plotosus canius (Hamilton, 1822) in the coastal waters of
Port Dickson, Peninsular Malaysia
Usman2, S.M.N. Amin1*, A. Arshad1, Mohd. S.
Kamarudin1 and M.K. Abu Hena3
Aquaculture, Faculty of Agriculture, Universiti Putra Malaysia, 43400, UPM
Serdang, Selangor, Malaysia
Fisheries and Aquaculture, Faculty of Agriculture, Bayero University, 700
241, Kano, Nigeria
Animal Science and Fishery, Faculty of Agriculture and Food Sciences,
Universiti Putra Malaysia, Bintulu Sarawak Campus, 97008, Malaysia
Author E-mail: email@example.com
Index of preponderance
Paper received : 20.03.2017
Revised received : 05.07.2017
Re-revised received :
Accepted : 28.12.2017
Aim: Grey-eel catfish, Plotosus
canius, are euryhaline fish and native throughout South East Asia, but
there is limited information regarding their feeding habits.
Methodology: In this study,
the stomach contents from 234 samples of P. canius were analysed from
the coastal waters of Port Dickson, Peninsular Malaysia. Sampling was carried
over a period of twelve months (January to December, 2012).
Results: The study
revealed that 61.54% of the stomachs contained food at various degrees of
fullness, while the remaining (38.46%) were empty. According to index of
preponderance (IP), the stomach contents in P. canius were composed of
six major groups viz; fish and fish parts (38.00%), crustaceans (26.69%),
molluscs (25.58%), sand and mud (6.68%), debris and detritus (2.99%) and
unidentified items (0.06).
Interpretation: The diet
composition revealed a wide range of prey items of animal origin indicating
that the fish is carnivorous. The findings of the present study would be very
useful for the development of aquaculture of the fish.
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