*East African Freshwater Fisheries Research Organization, P.O. Box 343, Jinja, Uganda.
Growth and breeding of Spirorbis rupestris (Polychaeta: Serpulidae)
Article first published online: 20 AUG 2009
Journal of Zoology
Volume 152, Issue 2, pages 235–244, June 1967
How to Cite
Gee, J. M. (1967), Growth and breeding of Spirorbis rupestris (Polychaeta: Serpulidae). Journal of Zoology, 152: 235–244. doi: 10.1111/j.1469-7998.1967.tb01888.x
- Issue published online: 20 AUG 2009
- Article first published online: 20 AUG 2009
- Accepted 13 December 1966
Settlement of young occurred mostly between June and September. Monthly increments in coil diameter of tubes were about 0.5 to 0.7 mm between September and January, but only about 0.2 mm between January and March. Growth seems to continue throughout life, which lasts for about a year. Breeding may begin at a coil diameter of about 2 mm, but is more prolific in larger individuals. Maturation of gametes occurred slowly at 5d̀C, more rapidly at higher temperatures. Spawning occurs between March and October, particularly between April and September. Incubation lasts for much more than a fortnight and there was no trace of the neap tide breeding rhythm seen in closely related species.