Tuvalu 1 Dollar 2011 Silver Proof Coral Protection DENDROGYRA CILINDRICUS

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Quick Overview

Face Value: 1 Dollar
Metal: Silver
Fineness:999
Weight: 1/2 oz
Diameter:435mm
Quality: PROOF
Mintage: 1000


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DESCRIPTION

Pillar corals (Dendrogyra cylindricus) are a type of hard coral which live in the western Atlantic Ocean. They are one of the digitate corals which resemble fingers, or a cluster of cigars, growing up from the sea floor, but without any secondary branching. Pillar corals can grow to be up to 2.5 m (8 ft) tall. They can grow on both flat and sloping sea floors at a depth of between 1 and 20 m (65 ft). They are one of the few types of hard coral whose polyps can commonly be seen feeding during the day.

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