Oceania South Pacific

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LANTERN FISH Deep Sea Silver Coin 2$ Pitcairn Islands 2010


The second release from "Deep Sea Fish" series, marks the commonly called Lanternfish, struck of sterling silver in proof quality, the coin is issued as legal tender under the authority of the Government of Pitcairn Islands.

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The lanternfish, also known as Symbolophorus barnardi, is a deep-water fish that gets its name from its ability to produce light. The light is given off by tiny organs known as photophores. A chemical reaction inside the photophore gives off light in a chemical process known as bioluminescence. The photophores are located on the fish's head, underside, and tail. It is believed that these light organs are used to attract other small fish on which the lanternfish feeds. They may also be used to signal other lanternfish during mating.
Lanternfish are found in all of the world oceans at depths ranging from 1,200 to 3,000 feet (about 360 to 900 meters). Most species prefer to remain close to the coast where they are commonly found in large schools near the continental slopes. Different species have been known to separate themselves according to depth. They will form dense layers according to species. It is believed that this behavior is intended to reduce competition between species. These layers contain so many fish and are so dense that they can actually be visible on sonar. They can reflect the sonar beams and give the impression of a false ocean bottom known as a deep-scattering layer. This phenomenon confused oceanographers for many years until the source was finally identified.

  • CountryPitcairn Islands
  • Year2010
  • Face Value2 Dollars
  • MetalSilver
  • Fineness (purity)925/1000
  • Weight (g)15.57 (1/2 oz)
  • Diameter (mm)35
  • QualityProof
  • Mintage (pcs)1.000
  • Certificate (COA)Yes
  • Presentation case (box)No

The coin’s reverse portrays a coloured representation of a lanternfish with the inscription "Deep Sea Fish", name of the series.
The reverse of each coin includes the Ian-Rank Broadley effigy of Her Majesty Queen Elizabeth II and the year-date appears on the obverse of each coin.