description Eucidaris galapagensis Overview
Eucidaris galapagensis, described by German zoologist Ludwig Döderlein in 1887, is a species of pencil urchin endemic to the Galápagos Islands. This sea urchin is characterized by its thick, blunt spines that resemble pencils and its distinctive globular test (shell), which typically measures 3-5 centimeters in diameter. Recent genetic studies have questioned its taxonomic status, with some researchers suggesting it may be a variant of the wider-ranging Eucidaris thouarsii rather than a separate species.
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What is Eucidaris galapagensis?
Eucidaris galapagensis is a species of sea urchin commonly known as the Galapagos slate-pencil urchin. It was first described by the German zoologist Ludwig Döderlein in 1887.
Where does the Galapagos slate-pencil urchin live?
As its name suggests, this species of slate-pencil urchin is native to the marine environments around the Galapagos Islands. It thrives in the coastal waters of the eastern Pacific Ocean.
What is the difference between Eucidaris galapagensis and Eucidaris thouarsii?
While they are closely related, Eucidaris galapagensis is often separated from Eucidaris thouarsii by scientists due to distinct morphological traits. Taxonomists frequently debate whether they represent distinct species or geographic variations.
Who classified the Eucidaris galapagensis sea urchin?
The sea urchin was classified and described by the zoologist Ludwig Döderlein in 1887. Döderlein was well-known for his extensive research on marine invertebrates, particularly echinoderms.
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