Video shows Black seadevil fish, usually only found in lightless depths of the sea, making rare swim near ocean surface
The marine photographer who captured the footage said it could be the world's first recorded sighting of a black seadevil ...
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How lightning bugs glow and how they use it to mate
when a chemical reaction in a living thing emits light. Fireflies aren't the only creatures that have this power. Glowworms and certain deep-sea fish species are some of the creatures capable of ...