831 species

Ctenactis crassa

(Dana, 1846)

Ctenactis

Verrill, 1864

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.

Similar Species: Ctenactis echinata, which has a single mouth.

Habitat: Reef slopes protected from strong wave action and on sandy floored reef lagoons.

Abundance: Usually uncommon.

COTW History since Veron (2000a)
  • Family: All families are currently under review
  • Genus/species: No change