Mushroom Coral Skeleton Value Guide

REAL Vtg Brown Stem Coral, Seashell, Mushroom Ocean Specimen Nautical Aquarium | eBay
Mushroom Coral Skeleton
Estimated Value
$40 – $60
Period
1950-2000
Origin
Indo-Pacific
Materials
Calcium carbonate

This Mushroom Coral skeleton is a fascinating natural curiosity from the Indo-Pacific, prized for its intricate radial plate structure. Unlike most stony corals, these specimens are unique because they lived unattached to the seabed, allowing them to move across soft substrates during their lifecycle.

What Is Mushroom Coral Skeleton Worth?

The typical price range for Mushroom Coral Skeleton is $40 - $60 based on recent sales. However, values can vary depending on the item's condition, rarity, and other factors such as:

  • Overall diameter and symmetry of the radial structure significantly impact the $40-$60 price point.
  • The absence of chipped or broken septa (the thin vertical plates) preserves the specimen's aesthetic value.
  • The brightness and cleanliness of the natural white calcium carbonate without heavy staining or algae residue.
  • Provenance confirming its origin from the Indo-Pacific region during the 1950-2000 era.

How to Identify Mushroom Coral Skeleton?

  • Examine the underside for a central scar or indentation where the coral was once attached as a juvenile.
  • Verify the presence of delicate, blade-like septa radiating from the center to the outer edge.
  • Check for a natural, porous calcium carbonate texture that feels stony rather than resinous or plastic.
  • Look for a flattened or slightly domed disc shape characteristic of the Fungiidae family.

History of Mushroom Coral Skeleton

Mushroom corals are unique among large stony corals because they do not attach to the seabed as adults. Instead, they live unattached on soft substrates, moving slowly across the ocean floor. This ability to move allows them to escape being buried by sediment and find optimal light conditions. These solitary corals are found throughout the Indo-Pacific, and their skeletons, like this one, are often collected as natural curiosities or decorative items after the living polyp has departed.

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