Detailed text transcripts for TV channel - DW - 20180220:12:48:00
Is completely filtered out close to the surface. that's why red fish already appear black just forty six meters below the waves. while yellow fish can still be made out at depths of over twenty meters. and bluefish retain their color even sixty meters down. the ocean is full of particles and floating organisms which function much like fine droplets of mist in the atmosphere. they also prevent light from reaching the seabed by reflecting and scattering it. that's why it's so dark on the sea bed unless of course a diving robot comes in lights things up. do you have a science question go to our w...