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Pier, Dock or Wharf Lighting

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Please provide input or experience. Noticed an interesting phenomena last night. Fished my buddy's dock over in the Rigolets. He recently replaced all his dock lights with very bright LEDs. Caught a few fish, but noticed few strikes or surface action under our lights. Also, no bugs swarming around the big, bright LED lights. Across the canal, bugs were swarming his neighbors rather yellow lights. Also noticed more fish activity and the occasional strike of a game fish under the neighbors lights. Water depth in both places is quite similar, around 4' and deepening as you go out from the dock. Then it got really interesting! All night long the mullet were jumping everywhere, except under our big LED lights. They stayed out some 50 yards from our dock. When I turned the lights off, the mullet moved within 5 yards of the dock and were making a heck of a lot of racket RIGHT NEXT TO THE DOCK! Were the new, bright LEDs scaring away the fish??? Thanks for your input.
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LED lights do not give out much heat. Virtually Zero. In my experiences, Insects and micro-organisms(plankton) are attracted to the warmth that the older incandescent lights provide. Which in turn, attracts bait fish/shrimp and then attracts predator fish.
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   CCAguns
Very interesting. Thanks!
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   tmarkle
From what I understand, LED lights do not emit much light in the UV range. It is very white light and doesn't seem to attract bugs like virtually every other type of light source. It is also true that LED's produce very little heat from the emitter (bulb) , only from the driver that is usually housed in the back of the fixture.
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