Why Are Dock Lights Green?

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How Fish Attraction Works

Many people living in, or visiting, coastal areas have probably seen a fair amount of green fish lights in the water. Most assume, with reason, the color green is what attracts fish to the light. Surprisingly, that’s not exactly true!

Most fish lights, when lit out of the water, actually illuminate white. After they are placed in the water, the light turns green. That’s because these bulbs are reflecting off particles in the water. This reflection give the lights their green color. 

This particle reflection attracts small baitfish to the light. In turn, these baitfish attract larger predator fish in the area. Because our lights automatically come on every night, the larger predator fish get used to the feeding cycle, and will show up each night. 

Fish Aren’t Picky With Colors

Just because most fish lights are green, doesn’t mean they have to be. Here are Underwater Fish Light, we offer a Caribbean Blue system that illuminate an icy-blue color. Even though it is not green, the light still attracts the same amount of predator fish each night!

Baitfish and the predator fish that follow do not care what color the light under the water is. They simply care about the illumination of the particles in the water. These particles are home to tiny microorganisms that are a great food source to baitfish. So, as long as there is reflection, there will be fish!


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