Australian Sea Life II - Starfish

Australia 2012 - 50ct - Australian Sea Life II - Starfish - 1/2oz LIMITED Silver Coin

Only 10.000 of these special coins were issued by Perth Mint!
This silver proof coin is dedicated to Australian sea life.
€79.00

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Land Australien
Jahr 2012
Währung Dollar
Nominalwert Zahl 0,5
Metall Silber
Feinheitsgrad 999/1000
Gewicht 1/2oz - 15,55g
Durchmesser 36,6 mm
Dicke 2,3 mm
Mintage 10000
Qualität Proof
Echtheitszertifikat ja
Präsentationsbox ja
Price €79.00
Coin Story

Starfish or sea stars are star-shaped echinoderms belonging to the class Asteroidea. Common usage frequently finds these names being also applied to ophiuroids, which are correctly referred to as brittle stars or "basket stars". About 1,500 species of starfish occur on the seabed in all the world's oceans, from the tropics to frigid polar waters. They are found from the intertidal zone down to abyssal depths, 6,000 m (20,000 ft) below the surface. Starfish are marine invertebrates. They typically have a central disc and five arms, though some species have more than this. The aboral or upper surface may be smooth, granular or spiny, and is covered with overlapping plates. Many species are brightly coloured in various shades of red or orange, while others are blue, grey or brown. Starfish have tube feet operated by a hydraulic system and a mouth at the centre of the oral or lower surface. They are opportunistic feeders and are mostly predators on benthic invertebrates. Several species have specialized feeding behaviours including eversion of their stomachs and suspension feeding. They have complex life cycles and can reproduce both sexually and asexually. Most can regenerate damaged parts or lost arms and they can shed arms as a means of defence. The Asteroidea occupy several significant ecological roles. Starfish, such as the ochre sea star and the reef sea star, have become widely known as examples of the keystone species concept in ecology. The tropical crown-of-thorns starfish is a voracious predator of coral throughout the Indo-Pacific region, and the northern Pacific sea star is considered to be one of the world's 100 worst invasive species.

Reverse Design

The coin’s reverse captures a starfish in full color. You will also find the The Perth Mint’s ‘P’ mintmark as well as the name of the fish and the series "Australian Sea Life - The Reef" on this side of the coin.

Obverse Design

The obverse features the Ian Rank-Broadley of Her Majesty Queen Elizabeth II and denomination of the coin.

Packaging

The Australian Sea Life II - Starfish coin is housed in a presentation display case and superbly illustrated shipper along with a numbered Certificate of Authenticity.

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