A note on the occurrence of Pelagonema obtusicauda, a free-living nematode inside bryozoans

Abstract

1. This is the first record of occurrence of a free-living nematode, Pelagonema obtusicaudaFilipjev, inside the colonies of the bryozoan Electra pilosa (L.). 2. As many as 26 nematodes were recovered from a single E. pilosa colony. 3. The nematodes attained sexual maturity and many females harboured well-developed eggs. © 1973 Biologischen Anstalt Helgoland.