description Dendraster excentricus Overview
Dendraster excentricus, commonly called the eccentric sand dollar, is an irregular sea urchin native to sandy habitats along the Pacific coast of North America. Its common name refers to the off-center position of the petal-like pattern on the upper surface of its flattened test. Living individuals are covered with short movable spines and may stand partly upright in the sediment while using tube feet and cilia to capture suspended food particles.
help Dendraster excentricus FAQ
What is the common name for the sea urchin Dendraster excentricus?
Dendraster excentricus is commonly known as the eccentric sand dollar. It is an irregular species of sea urchin native to the Pacific coast of North America.
Why is Dendraster excentricus called the "eccentric" sand dollar?
The "eccentric" name refers to the off-center position of the petal-like pattern located on the upper surface of its flattened test. This physical asymmetry distinguishes it from perfectly symmetrical sand dollars.
Where does the Dendraster excentricus sand dollar naturally live?
This species of sand dollar is native to the sandy habitats along the Pacific coast of North America. It thrives in these coastal environments, partially buried in the sand.
What type of marine animal is the eccentric sand dollar?
Dendraster excentricus is scientifically classified as an irregular sea urchin. Unlike its spiky, spherical relatives, it has a flattened test suited for its life in sandy habitats.
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