Characters: Polyps are elongate, with an axial furrow extending almost to the polyp ends. Several mouths are arranged along the axial furrow but do not occur outside the furrow.
Colour: Pale brown.
Habitat: Reef slopes protected from strong wave action and on sandy floored reef lagoons.
Abundance: Usually uncommon.
Similar species: Ctenactis echinata
Source reference: Veron (2000). Taxonomic reference: Hoeksema (1989). Additional identification guide: Nishihira and Veron (1995).