description Dermechinus horridus Overview
Dermechinus horridus is a distinctive deep-sea sea urchin known for its cactus-like body form with prominent elongated spines, occurring in Antarctic and sub-Antarctic waters.
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What is Dermechinus horridus?
Dermechinus horridus is a deep-sea sea urchin. It is known for a cactus-like body form covered with prominent elongated spines.
Where does Dermechinus horridus live?
The species occurs in Antarctic and sub-Antarctic waters. Its habitat is part of the cold deep-sea environment around the Southern Ocean.
Why does Dermechinus horridus look like a cactus?
Its body carries unusually long, conspicuous spines, giving it a cactus-like appearance. Those spines are part of the animal's defense and movement system.
Is Dermechinus horridus a shallow-water urchin?
No. It is described as a deep-sea species associated with Antarctic and sub-Antarctic waters. It is therefore not the kind of sea urchin normally seen in a warm, shallow tide pool.
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