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most aquatics cannot pick up red light
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interestingly enuff, for those who have attempted to catch a nosiy hitch hiker, mantis shrimp CAN see red light...they can also see 4 wavelengths of UV, and can discern 100,000 colors. for reference, the human eye can see about 10,000 colors at best. just a fun fact...
FWIW, we leave our moonlights on all
PM.
