831 species

Galaxea horrescens

(Dana, 1846)


Oken, 1815

Characters: Colonies are arborescent. Corallites are tubular and thin-walled with flaring rims. Columellae are absent. Septa are very exsert. Tentacles are usually extended only at night. They have tapering translucent tentacles with white tips.

Colour: Pale brown, yellow or green, sometimes with white branch ends.

Similar Species: Galaxea acrhelia.

Habitat: Usually found in reef areas with good water circulation and light availability.

Abundance: Uncommon.

Taxonomic References: Veron and Pichon (1980) as Acrhelia horrescens; Veron (2000a);

Identification Guides: Randall and Myers (1983) as Acrhelia horrescens; Veron (1986a) as Acrhelia horrescens; Nishihira and Veron (1995) as Acrhelia horrescens;

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