Cá Thòi lòi Periophthalmodon schlosseri (Pallas, 1770) là một loài cá có giá trị kinh tế cao, phân bố ở các cửa sông ven biển khu vực ĐBSCL, tuy nhiên hiện nay chỉ có một công bố về sự biến động tăng trưởng và hệ số điều kiện của loài này ở Việt Nam. | Hình thái ống tiêu hóa, tính ăn và phổ thức ăn của cá Thòi lòi Periophthalmodon schlosseri (Pallas, 1770) phân bố ven biển Trần Đề, Sóc Trăng VNU Journal of Science: Natural Sciences and Technology, Vol. 35, No. 3 (2019) 30-38 Original Article Digestive Tract Morphology, Food composition and Feeding Habits of the Giant Mudskipper Periophthalmodon schlosseri (Pallas, 1770) from the Coastline in Tran De, Soc Trang Tran Thanh Lam1, Hoang Duc Huy2, Dinh Minh Quang3, 1Department of Biology, School of Education, Bac Lieu University, 178 Vo Thi Sau Street, Ward 8, Bac Lieu city, Bac Lieu, Vietnam 2Department of Ecology and Evolutionary Biology, University of Science, Vietnam National Univeristy of Ho Chi Minh, 227 Nguyen Van Cu Street, Ward 4, District 5, Ho Chi Minh City, Vietnam 3 Department of Biology, School of Education, Can Tho University, Campus 2, 3/2 street, Xuan Khanh Ward, Ninh Kieu District, Can Tho, Vietnam Received 07 March 2019 Revised 17 March 2019; Accepted 21 March 2019 Abstract: The giant mudskipper Periophthalmodon schlosseri (Pallas, 1770) is a commercial fish and distributes in estuaries and coastline in Mekong Delta, but until now there is only a study on the growth pattern and condition factor variation of this species in Vietnam. This study was conducted in the coastline at Tran De, Soc Trang from January 2018 to December 2018 with 486 individuals were analysed to provide data on gastrointestinal morphology, food and feeding habits of this species. This species is a carnivorous fish due to RLG = ± SE and feeds mainly on carbs (Uca sp., ). Besides crabs, small fish (), shrimps (), detritus () and mollusca () are also found in fish stomach. Moreover, we found that 4 individuals that eat ants. The food composition of P. schlosseri does not vary with genders but by season. There is not different in the fullness index (FI) between genders. .
