Yellow bettas are also called Non-red (NR) bettas. This mutated gene causes the alteration of red pigment to yellow.
黄斗鱼又称为非红斗鱼，基因的突变让红色素转黄。
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And personalized service area of higher light requirements, in addition to ceiling lights can be used with non-red light, such as violet or blue light, but also a multi-light cycle.
In classical empiricism, the truth of―"All balls are red," for example, is assessed by inspecting balls; any observation of a nonred ball refutes unequivocally the proposed generalization.