Blue coral

Rarity: Common

The most frequent rarity: most Wikipedia articles become Commons.

Rarity follows how well known the article is: its views on the French and English Wikipedia over a year, and the number of languages it exists in.

At a glance

Class

Figure

Domain

Nature

Knowledge cost

2

Influence

2

Resistance

4

In collections

Nobody has pulled it yet.

What Wikipedia says

Blue coral (Heliopora coerulea) is a species of colonial coral. It is the only octocoral known to produce a massive skeleton. This skeleton is formed of aragonite, similar to that of scleractinia.

Excerpt from the Wikipedia article “Blue coral”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: User:Haplochromis, Public domain, via Wikimedia Commons.