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

Radial corallites are evenly sized and distributed, neatly arranged and just touching on branches, tubular appressed to nariform with elongate openings. The outer wall of the corallite is often extended upward, resulting in a corallite and calice opening above the perpendicular to the branch.

© Andy Lewis
Usage licence: Creative Commons Licence