Light travels by waves. Water is a great conductor of sound. As the sun warms water, heat could also help create more light energy. Fish are more sensitive to sounds even humans don't hear.
I doubt anyone has theorized nor experimented with the idea of light waves transforming to sound waves when passing through the ocean.
It is quite possible to the point of a probability.
If it is so, then yes, the fishes in the ocean surely do hear it.
It is certain that light warms the water to the point that it creates thermal layers which may or may not have a sound factor; of which all the denizens of the deep are surely aware.
Fish are all about feeling through sensory vibrations. Many cannot see, so maybe you are on to something. SONOLUMINESCENCE is the ability for soundwaves to generate light. So maybe it acts in reverse somehow.
Under certain circumstances, sound waves can generate visible light. This phenomenon is called sonoluminescence.
Originally Posted: http://thetechjournal.com/science/sonoluminescence-light-is-created...
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They can hear it, but forget about it right away.