Bioluminescence is the ability of certain living things to give
off light and is the result of chemical processes that go on in
their tissues. Most luminescent animals are found in the oceans,
especially in the deeper depths where no sunlight can reach.
Numerous creatures such as fish, shrimp, jellyfish, squid and
plankton have luminescent parts of their bodies which they use
in various ways, such as to lure prey, attract mates,
communicate and to defend themselves. Luminescent lights, near
the eyes of one deep sea fish, shine forward like a flashlight,
allowing the fish to see where it is going and helping it find
its prey. Another species has a luminescent lure which it uses
to attract smaller fish, thus bringing them close enough to
capture. Some fish have the ability to turn their lights on and
off. You may be familiar with how a squid defends itself from
predators by squirting out a black inky cloud to confuse the
predator and cover its trail so it can escape. Well, there is a
deep sea species of squid t