How do lanternfish make light in the ocean depths?
Quick Answer
Lanternfish produce light with special organs called photophores. The light is usually created by chemical reactions involving glowing bacteria or fish chemistry.
The Full Story
Lanternfish are among the most abundant deep-sea fish and many species have rows of light-producing organs called photophores. These organs can flash in patterns that may help with camouflage, communication, or attracting prey. In many marine animals, bioluminescence comes from a chemical reaction involving luciferin and luciferase, and in some cases symbiotic bacteria contribute to the glow. Lanternfish live in the mesopelagic zone, where the faint sunlight above fades to darkness. Their light shows are part of the ocean's hidden nighttime world.
Key Facts
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