Photo of Animalia: species: Acropora subglabra (Lizard Island Field Guide)

Acropora subglabra at No Name Reef, Jan 2014.

© Anne Hoggett

Identified by Grace Frank, who notes, "bottlebrush Acroporas are difficult but this one has the fairly distinct highly tubular axial corallites and appressed radials which say subglabra".