description Scaphechinus mirabilis Overview
Scaphechinus mirabilis is a species of sand dollar, a flattened burrowing sea urchin in the class Echinoidea. It was described by Alexander Agassiz in 1864 and occurs in the northwestern Pacific, where it inhabits sandy or muddy seabeds in temperate coastal waters. Its disc-shaped test and short spines are adaptations for moving through sediment, while tube feet and feeding structures help it collect organic particles from the seafloor.
help Scaphechinus mirabilis FAQ
What type of marine animal is Scaphechinus mirabilis?
Scaphechinus mirabilis is a species of sand dollar, which is a type of flattened, burrowing sea urchin belonging to the class Echinoidea. Unlike round sea urchins, they have a distinct disc-shaped body adapted for living in sandy seabeds.
Where in the world can Scaphechinus mirabilis be found?
This species occurs naturally in the northwestern Pacific Ocean. They specifically inhabit sandy or muddy seabeds in temperate coastal waters, often burying themselves just beneath the surface.
Who first scientifically described the Scaphechinus mirabilis sea urchin?
The species was originally described by the prominent American scientist Alexander Agassiz in 1864. Agassiz was a leading ichthyologist and oceanographer who extensively cataloged marine echinoderms.
How does the Scaphechinus mirabilis sand dollar survive in the sand?
Like other sand dollars, it burrows into the substrate to avoid predators and strong ocean currents. It feeds by using tiny, specialized tube feet to capture organic detritus and algae from the surrounding sand and water.
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