Table 2. Frequency of occurrence of each fish species according to the season for each sampling site

Species	Site I			Site II			F-value (%)
	Winter	Summer	Rainy	Winter	Summer	Rainy
Notopterus notopterus	-	-	-	+ (2)	-	-	16.7
Barbonymus gonionotus	+ (18)	+ (4)	+ (19)	+ (11)	+ (12)	+ (3)	100
Cyclocheilichthys armatus	-	+ (16)	-	-	+ (7)	-	33.3
Hampala dispar	-	-	-	-	-	+ (3)	16.7
Hampala macrolepidota	+ (15)	+ (12)	+ (26)	+ (23)	+ (6)	+ (1)	100
Hypsibarbus vernayi	-	-	-	-	+ (1)	-	16.7
Sytomus orphoides	-	-	-	+ (1)	-	-	16.7
Hemibagrus spilopterus	-	+ (5)	-	-	+ (4)	-	33.3
Oxyeleotris marmorata	-	-	-	+ (1)	-	-	16.7
Parambassis ranga	+ (144)	+ (6)	+ (8)	+ (20)	-	-	66.7
Cichlasoma trimaculatum	-	-	-	-	+ (1)	+ (1)	33.3
Channa micropeltes	-	-	-	+ (1)	-	-	16.7
Total species	3 (177)	5 (43)	3 (53)	7 (59)	6 (31)	4 (8)
(no. of individuals)	5 (273)			12 (98)

+, present; -, not present.