The species name means "having holes" and refers to the perforations found in the sides of the sponge.

It is usually found on vertical solid surfaces at depths down to 220 m. It is distributed in the north-eastern Atlantic from the Arctic to the Mediterranean.

This is a distinctive sponge, globular on a long thin stem, resembling a tiny balloon on a string.

Sponge composed of an ovoid body of thin, tightly and regularly anastomosing tubes, and a solid peduncle without any choanoderm.

Irregular diactines of variable sizes are present at low numbers in the peduncle.