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Colobocentrotus mertensii

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description Colobocentrotus mertensii Overview

Colobocentrotus mertensii, commonly known as the shingle urchin, is a species of sea urchin in the family Echinometridae native to the Indo-Pacific, including Japan, Taiwan, and Hawaii. It inhabits rocky intertidal shores exposed to strong wave action. Unlike most sea urchins, its primary spines are short, flattened, and overlapping, creating a smooth, tile-like dome that helps it withstand crashing waves. Beneath the protective spine canopy, its tube feet adhere tightly to rock surfaces.

This unusual morphology distinguishes it from the elongated-spine form of most other urchin species.

help Colobocentrotus mertensii FAQ

What is the common name for Colobocentrotus mertensii?

Colobocentrotus mertensii is commonly known as the shingle urchin. It is a distinct species of sea urchin belonging to the family Echinometridae.

Where does the shingle urchin live?

This species of sea urchin is native to the Indo-Pacific, specifically found in locations like Japan, Taiwan, and Hawaii. It strongly prefers rocky intertidal shores that are exposed to strong wave action.

How does the shingle urchin differ from other sea urchins?

Unlike most sea urchins that have prominent, sharp spikes, the shingle urchin features a heavily flattened, smooth dome appearance. Its modified, scale-like spines act as protective armor against being crushed by heavy waves.

What family does Colobocentrotus mertensii belong to?

Colobocentrotus mertensii is a part of the Echinometridae family. Urchins in this family are typically found in high-energy, wave-battered intertidal zones and are known for their ability to bore into rock.

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