description Eucidaris metularia Overview
Eucidaris metularia is a cidaroid sea urchin in the family Cidaridae, first described by French naturalist Jean-Baptiste Lamarck in 1816. It inhabits shallow reef environments of the Indo-Pacific region. The species bears characteristic sparse, heavy spines that are flattened and banded, typical of pencil urchins in the order Cidaroida.
help Eucidaris metularia FAQ
What kind of sea urchin is Eucidaris metularia?
Eucidaris metularia is a cidaroid sea urchin in the family Cidaridae. It is also known as a ten-lined or pencil-type urchin because of its stout primary spines.
Where does Eucidaris metularia live?
It inhabits shallow tropical reef environments across the Indo-Pacific. Individuals are often associated with rocky reef areas, crevices, rubble, and back-reef habitats.
What makes the spines of Eucidaris metularia distinctive?
The species has relatively few, heavy primary spines rather than a dense covering of fine spines. Its primary spines are stout and often banded, while the smaller secondary spines are flatter and more numerous.
Who first described Eucidaris metularia?
French naturalist Jean-Baptiste Lamarck first described the species in 1816. The accepted scientific name is Eucidaris metularia (Lamarck, 1816).
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