~Flighty~ said:The problem, is this floressence is in the regular spectra (thats why we can see it) It only happens when a light source hits the object, the light is absorbed and is emmitted at a higher frequency. So it doesn
t happen in the dark. It is different from bioluminessence where the object makes the light. I still can't think of any way animals could see this.
UV light (which would penetrate to great depth) should work.