It can be white or pale tan when exposed to very little light, or dark brown in areas with a lot of it.

It may also occur as a spherical mass without projections and is also known to form large colonies that resemble rounded calcareous rocks.

[5] Its skeleton is a bunch of needle-like spicules radiating outward from the center near the surface, much more randomly dispersed on the inside.

[4] Geodia gibberosa is found in the Bahamas, Florida, Brazil, and West Africa.

[6][4] It is commonly found in shallow waters with hard bottoms, generally in the same area as seagrasses.