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Journal of Environmental Biology

pISSN: 0254-8704 ; eISSN: 2394-0379 ; CODEN: JEBIDP

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        Abstract - Issue Sep 2018, 39 (5)                                                                                                             Back

nstantaneous and historical temperature effects on a-pinene

Food and feeding habits of Nemipterus japonicus and Nemipterus peronii from coastal water of Bintulu, Sarawak, South China Sea


N. Tonnie1, M.K. Abu Hena1*, M. H. Idris2, A.H. Rajaee1, S.M.N. Amin3 and M. H. Nesarul1, 4

1Department of Animal Science and Fishery, Faculty of Agriculture and Food Sciences, Universiti Putra Malaysia Bintulu Sarawak Campus-97008 Bintulu, Malaysia

2School of Fisheries and Aquaculture Sciences, Universiti Malaysia Terengganu, 21030 Kuala Terengganu, Malaysia

3Department of Aquaculture, Faculty of Agriculture, Universiti Putra Malaysia, 43400 UPM Serdang, Selangor, Malaysia

4Institute of Marine Sciences and Fisheries, University of Chittagong, Chittagong-4331, Bangladesh

*Corresponding Author E-mail:




Key words

Feeding habits

Nemipterus japonicus

Nemipterus peronii

Numerical method

Stomach fullness




Publication Data

Paper received : 22.04.2017

Revised received : 20.06.2017

Re-revised received : 05.07.2017

Accepted : 28.12.2017



Aim: Knowing that feeding habit of fishes is important for ecosystem management and conservation purposes. In this regard, a total of 240 fish stomachs of each species of Nemipterus japonicas (11.9-26.0 cm in length) and Nemipterus peronii (11.6 -25.3 cm in length) from the coastal area of Bintulu were examined monthly for one year from April 2013 to March 2014.     


Methodology: Food items were analyzed using frequency of occurrence, numerical and fullness methods. Each species were grouped into three different length sized groups (large, medium and small). The degree of stomach fullness was classified into five categories (empty, one quarter full, half full, three quarter full and full).      


Results: N. japonicus was an active feeder with a higher percentage (38.03%) of full stomachs, while N. peronii was poor feeder with higher percentage (27.05%) of one-quarter full stomachs. Diet composition contained seven major categories that included fish, crustaceans, molluscs, echinoderms, polychaetes, nematodes and unidentified food items. Crustaceans (mainly crabs) were preferred in both the N. japonicus and N. peronei at 13.54-35.71% of occurrence and 13.07-33.56%, respectively. Food items in both the species varied with season with maximum in intermediate and minimum in wet season.


Interpretation: Findings revealed that N. japonicas and N. peronii are carnivorous, and may change their feeding habits from shrimp to crabs, and then to fish as they grow.




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