Beautiful Gracilechinus gracilis urchins are typically found on hard substrates in the Gulf of Mexico and northwestern Atlantic Ocean. Here you can see the tube feet are extended!
Urchin
Image courtesy of NOAA Office of Ocean Exploration and Research, Gulf of Mexico 2017.
Beautiful Gracilechinus gracilis urchins are typically found on hard substrates in the Gulf of Mexico and northwestern Atlantic Ocean. Here you can see the tube feet are extended! Download larger version (jpg, 915 KB).
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