Lantern-fish are small, bioluminescent – meaning they give off light – fishes, present in every ocean around the world. They live between the surface and 1000m deep within the so-called “twilight zone ...

When my daughter reached down and picked up the little fish from the surface of the deep blue sea, she asked me what kind it was. Since I knew she was wanting something more specific than sardina roja ...

Edie Widder tells presenter Caroline how lantern fish use a technique called counter illumination to become virtually invisible. By matching the lights on their belly with the little bit of sunlight ...

In World War II, naval sonar operators spotted something strange: a 'false seafloor' hundreds of metres below the surface of the water, that mysteriously moved closer to the surface at night. They ...