Kaminato Harbor, Hachijojima, Japan, 15 feet

Tutuila, American Samoa

Uncommon in lagoons and channels.  Variable, encrusting, plate-like, domed, or columnar, extended tentacles (12) short, brown or dark green, sometimes with a iridescent sheen or pale tentacle tips.  Skeletally the corallum is very light and lattice-like.  Red Sea to Japan, east to Samoa.

All coral skeletons illustrated are from scientific collections taken prior to 1998.