Australogyra

Australogyra zelli is a species of stony coral native to the Central Indo-Pacific.

They are uncommon corals found in tropical waters to a range of up to 30 m (98 ft) deep.

They can occur as branching growths or as hemispherical shapes reaching up to 2 m (6.6 ft) in diameter.

Their color ranges from gray-green to a yellowish purple-brown.

[1] Their range includes Australia, the Solomon Islands, Papua New Guinea, Indonesia, the Philippines, Taiwan, southern China, Vietnam, Cambodia, Thailand, and Malaysia.