TABLE 1.

Concentration Response to NCP and Suppression of NCP by Exogenous Copper

Treatment	Affecteda	Half-affectedb	Unaffected	Dead
10 µM NCP	0	0	0	10
3 µM NCP	2	0	0	8
1 µM NCP	47	0	0	34
750nM NCP	78	0	0	22
500nM NCP	62	0	0	1
300nM NCP	84	23	1	6
100nM NCP	41	38	34	2
30nM NCP	0	4	61	0
10nM NCP	0	0	20	0
750nM NCP +   500nM CuCl2	0	0	0	30
300nM NCP +    1 µM CuCl2	1	6	105	1
100nm NCP +    1 µM CuCl2	0	0	104	1

^aAffected fish are missing most or all of their melanocytes of their body stripe.

^bHalfaffected fish are missing ~25–50% of the melanocytes in their body stripes.