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Marine Bioluminescence
A variety of sea creatures produce light by a variety
of chemistries.
Bioluminescence serves many purposes in the
marine environment.
Variety
Microscopic: Bacteria, dinoflagellates,
Radiolarians
Anthozoa: Sea fans, Soft corals, Sea pens, Sea
psansies
Molluscs: Sea slugs, Boring bivalves, Cuttlefish,
Squid,Vampire squid, Octopods
Variety (continued)
Arthropods: Copepods, Ostracods Malacostraca,
Opossum shrimp, Amphipods, Euphausiids
(Krill), Decapod shrimp
Hemichordates (Acorn worms)
Chordates Tunicates: Sea squirts; Pyrosomes
(Fire cylinders); Larvaceans
Vertebrates:Sharks, Anchovies, Gulper eels
Some of the molecules
Purpose of Bioluminescence
It can light the way to find food (flashlight fish)
Attract prey (angler fish, viper fish)
Purpose of Bioluminescence (continued)
It can be used to attract a mate (the loosejaw
fish uses light in its cheeks
Purpose of Bioluminescence (continued)
It can use bioluminescence for protection (deep
sea shrimp project light into the approaching
predator, temporarily blinding it)
Acknowledgements
Bar Harbor Bioscience: http://www.bioscience-explained.org/EN1.1/pdf/BiolumEN.pdf
Univ. Calif Santa Barbara http://www.lifesci.ucsb.edu/~biolum/organism/milkysea.html