Can be distinguished from A. damicornis by the smooth, antler-like branches. The animal settles on hard substrata in sheltered places. Food is filtered from the water, that enters through small pores. The food consyst of algae, bacteria and organic substances. The required oxygen inside also enters the body in this way. The food is processed through a vascular system and special cells. Waste products and not digestible particles are transported to the oscules. These oscules are clearly visible on A. verrucosa. Most sponges are hermaphrodites and produce both eggs and sperm. The larvae leave the body and settle within 24 hours. Sponges can also reproduce by laceration.

Individuals can be 10 to 15 cm high and the branches have a diameter of 1 to 2 cm.

The color is yellow to ocher.

From a depth of 10 meters.

Mediterranean and adjacent Atlantic coasts.