Coral reefs provide a habitat for many marine organisms and support the safety, coastal protection, well-being, and food and economic security of hundreds of millions of people. The focus on coral species diversity cannot be overemphasized. One of them,

A new species of Astrogorgia from Bali, Indonesia, is described and depicted. An amended diagnosis of the genus is presented and a related genus is discussed. Compared with other species of Astrogorgia, specimens of the new species have a rather unusual

A novel secosterol, astrogorgiadiol(1), a known diterpene ophirin(2) and a closely related diterpene, astrogorgin(3), have been isolated from a gorgonian Astrogorgia sp. as inhibitors of cell division in fertilized starfish eggs.

Twelve new eunicellin-based diterpenoids, astrogorgins B-M (1-12), were isolated from a Chinese gorgonian Astrogorgia sp., together with ophirin, muricellin, astrogorgin, calicophirins A and B, and 14-deacetoxycalicophirin B. The structures of the new