Table 2.

Lethal concentrations (mg/L) of Ag-NPs on O. niloticus and T. zillii after 24, 48 and 96 h of exposure.

Time (h)	Fish	Toxicity (mg/L)
		LC10	LC50	LC90
24	O. niloticus	19.9 ± 1.5	26.5 ± 3	37.9 ± 5
	T. zillii	20.6 ± 2.1	26.9 ± 4.1	39 ± 7
48	O. niloticus	17.33 ± 1.7	24 ± 3	31.8 ± 4.9
	T. zillii	17.7 ± 1.4	24.6 ± 3.2	32.6 ± 3.8
96	O. niloticus	14.2 ± 1.1	19.5 ± 2	27.3 ± 3.2
	T. zillii	14.7 ± 0.9	20 ± 3.4	28.2 ± 2.9