Characters: Colonies are submassive or columnar. Columns are short and usually form clumps. Corallites are uniform, and circular in outline. Septa are widely spaced and irregular. Columellae are small. Polyps have long thin tentacles. Colour: Pale brown. Similar species: Goniopora eclipsensis which has short tentacles and well developed columellae. See also G. pendulus. No other columnar species has medium sized corallites with such long tentacles. Habitat: Shallow reef environments exposed to turbulence. Abundance: Sometimes common.