Abstract

• The study was conducted from the Ayeyawady River Segment at Lekone Quarter in Myitkyina Township, Kachin State to investigate the digestive tract and stomach contents of three fish species (Channa striata, Cirrhinus latia and Barilius barna) from December 2018 to August 2019. The gut index of C. striata (0.59), C. latia (9.25) and B. barna (0.71) were recorded. According to the stomach content analysis, the value of frequency occurrence of C. striata showed earthworm (37.5%), insect parts (25%), mud (25%) and fish (12.5%). The species C. latia showed each 80% for plant materials and mud. B. barna showed mud (75%), insect parts (62.5%), plant materials (12.5%) and earthworm (25%). The vacuity index in C. striata and B. barna showed 20% in each and 0% in C. latia.