Quote:
Originally Posted by Bruno
Just a quick note: nothing has Dark Vision IRL - it's a magical sense that works in the complete absence of light. Sight is detecting light bouncing around off of things, so doesn't work if there's no light.
Fish and other creatures in the deep down dark deep down either generate their own light, or are blind and get around via sonar, sense of touch (feeling water currents as much as feeling your way along the ocean bottom), sense of smell, electroperception, hearing...
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I knew I should have paid more attention in AP Bio! Although I’m not entirely sure this was covered in any great detail. Thanks for the info, though.