Patterns of Fish Assemblage, Growth, and Diet Composition in a Tropical River between Two Cascading Hydropower Dams

Table 7

The stomach content analysis of four selected species by using the frequency occurrence of food and mass method.

Species	n	Type of food item	Frequency of occurrence (%)	Mass method (%)
Barbonymus schwanenfeldii	53	Insect	92.5	15.7
		Oligochaetes	26.4	0.1
		Seeds	24.5	1.5
		Plant parts	24.5	8.5
		Detritus	100.0	74.2
Cyclocheilichthys apogon	27	Insect	66.7	4.3
		Oligochaetes	3.7	0.1
		Plant parts	14.8	0.6
		Detritus	92.6	95.0
Parachela oxygastroides	40	Insect	87.5	20.3
		Plant parts	5.0	0.2
		Detritus	100.0	79.5
Hampala macrolepidota	13	Crustaceans	92.3	9.4
		Plant parts	7.7	0.1
		Detritus	100.0	90.5