Bioluminescence
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<fishfyi-glossary slug="bioluminescence"></fishfyi-glossary>定义
The production of light by living organisms through chemical reactions. Deep-sea fish use bioluminescence for attracting prey, communication, and camouflage via counterillumination.
详细说明
Bioluminescence in fish is produced by the oxidation of luciferin by the enzyme luciferase, generating cold blue-green light with near-100% efficiency. Over 75% of deep-sea fish species produce bioluminescence. Anglerfish lure prey with bacterial bioluminescence in the esca (females only). Counterillumination — producing ventral bioluminescence to match downwelling surface light — is used by lanternfish and hatchetfish to eliminate their shadow and become invisible to predators below. Flashlight fish (Anomalopidae) have symbiotic bioluminescent bacterial organs that can be occluded with a shutter for communication and predator avoidance.