Crater Sponge – Hemimycale columella
The Crater Sponge is a species in the class of the Demospongiae and thus belongs to the phylum of the Porifera.
Hemimycale columella has a pale pink or orange colour, rarely it is bright red. Crater-shaped cavities are distributed throughout its surface. It reaches a maximum size of 10cm in height and in 30cm diameter.
Habitat and Distribution
The Crater Sponge lives on a firm ground, down to a depth of 40m. When diving in the Canaries you can observe it very often.
In addition, its distribution area extends from the Arctic via Ireland, the UK, France, Spain, Portugal and the Mediterranean Sea.
Hemimycale columella feeds on plankton, which it filters out of the water.
It is bound to its location. In case of danger, it can retract within 15 seconds.