Characters: Colonies are submassive or encrusting. Corallites are 4-7 millimetres diameter and are thick walled with prominent skeletal structures. Costae are strongly beaded. The coenosteum is densely covered with thick, finely elaborated spinules.
Colour: Mustard, green, brown or purple, often with pale septo-costae.
Similar Species: Echinopora irregularis. See also E. horrida and E. gemmacea, which have less coarse corallite structures and smaller corallites.
Habitat: Shallow reef environments.
Abundance: Sometimes common in the western Indian Ocean, rare elsewhere.
Taxonomic References: Chevalier (1975); Veron, Pichon and Wijsman-Best (1977); Veron (2000a); Huang, Benzoni, Fukami et al. (2014);
Identification Guides: Veron (1986a); Pillay, Terashima, Venkatasami et al. (2002);