Mysterious Lights?
Hatchet fish live deep at the bottom of the sea, where it is very dark. They have small patches on their bodies that light up and flash on and off. Scientists think these lights could be signals to help them recognise each other.
Hatchet fish live deep at the bottom of the sea, where it is very dark. They have small patches on their bodies that light up and flash on and off. Scientists think these lights could be signals to help them recognise each other.
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