Favites rotundatais commonly referred to as knob coral. Difficulty in the aquarium: There are no reports available yet that this animal has already been kept in captivity successfully. A aquarium size of at least 200 Liter is recommended. Toxicity: Toxic hazard unknown.
Characters: Colonies are dome-shaped or flat. Corallites are thick walled and circular, tending to be cerioid and 19-22 millimetres diameter. Polyps are fleshy and circular in outline. Colour: Pale grey, yellowish or brown. Corallite rims are usually distinctively coloured.