[1] Snowdrop hydroids are usually white and have small branches extending from a central stem.

They may grow up to 3 cm in total height.

The male gonophores (reproductive bodies) are smaller and more rounded than the female ones, which are goblet-shaped and contain only one egg each.

[2] This colonial animal is found off the southern African coast from Northern Namibia to KwaZulu-Natal from the subtidal to 70m under water.

[2] This species often grows on coralline algae or weed.