Echinus gilchristi
Echinus gilchristi, also known by its common name, Gilchrist's sea urchin, is a species of marine invertebrate in the Echinidae family that usually grows to a diameter of 10 cm.
Echinus gilchristi, also known by its common name, Gilchrist's sea urchin, is a species of marine invertebrate in the Echinidae family that usually grows to a diameter of 10 cm.