An old standby. The medium polyps feature a bright yellow mouth on a dark face, with a bright green skirt. Under white light it’s inconspicuous, but under blues jumps right out at you.
This is a fast growing variety that develops its best colors under high light.
Like all zoanthids, these like plenty of nutrients, and will thrive in a wide variety of light and flow levels.
The frag you purchase will come from the same lineage as the image shown, and will have a similar number of polyps, but because of natural variation among frags yours may not look identical to this image.