Pachyclavularia

Mat-forming

Green star polyps on a purple encrusting mat — spreading, fast, and hard to contain.

Purple to maroon mat under bright green polyps; the two colors together are the ID
Mat spreads across rock and onto glass
Polyps retract completely, leaving a bare mat, when disturbed

Photographed as Pachyclavularia — morph not yet pinned down

Confirmed to the genus but not an exact morph yet. Recognize one? Propose the specific morph below and vote on others' suggestions — a confirmed match moves the photo to its own morph page automatically.

No photos are sitting at the Pachyclavularia level right now.