Bioluminescence is an intriguing phenomenon observed across many taxonomic groups and exploited for a variety of uses. Complex organisms have developed their own mechanisms found in specialized glands or become host to bacteria; elicited purely to supply the necessary luciferins for these light producing reactions. Bacteria, dinoflagellates, cephalopods, fishes and an array of crustaceans have independently evolved the ability to survive in the deep-sea.

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