Why does a red and white fishing lure works?

Everyone needs a ‘go to’ fishing lure. The bites might be slow, the water murky or the weather over cast. For all predatory fish and all conditions you can always rely on a red head – half red and half white.
There are several theories why these work:
1) In low light the red and white are not seen by the fish, so the lure is just a silhouette.
2) The red colour is like blood and therefore an injured fish.
3) The bright colour of the red attracts the fishes eye and triggers the attack response.
4) Do fish see colour? Does it even matter what colour it is?
Truly we do not really know, all we know is it catches fish. Any other theories please let me know.
…tight lines
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Classic metallic red head fishing plug with diving paddle for extra wobble, white scally body and big reflective holographic eye. This is a proven fishing lure, which catches all species in any conditions.