Hostname: page-component-cd9895bd7-jkksz Total loading time: 0 Render date: 2024-12-26T00:28:02.000Z Has data issue: false hasContentIssue false
  • English
  • Français

Hatching in the monogenean parasite Dictyocotyle coeliaca from the body cavity of Raja naevus

Published online by Cambridge University Press:  06 April 2009

Graham C. Kearn
Graham C. Kearn
Affiliation:
School of Biological Sciences, University of East Anglia, Norwich NR4 7TJ, U.K.
Get access Rights & Permissions [Opens in a new window]

Extract

When eggs of the monogenean Dictyocotyle coeliaca, a parasite from the body cavity of Raja naevus, are incubated in alternating 12 h periods of light and darkness at 12 °C the marginal hooklets appear between 75 and 90 days after collecting the eggs from the host's body cavity and hatching begins after about 102 (96–109) days. Hatching occurs continuously throughout the light and dark periods so that there is no daily hatching rhythm, and host skin mucus and fluid from the host's body cavity (previously deep frozen and thawed before use) are ineffective as hatching stimulants. The significance of these observations in relation to host behaviour is discussed.

Type
Research Article
Information
Parasitology , Volume 70 , Issue 1 , February 1975 , pp. 87 - 93
Copyright
Copyright © Cambridge University Press 1975

Access options

Get access to the full version of this content by using one of the access options below. (Log in options will check for institutional or personal access. Content may require purchase if you do not have access.)

References

Boulenger, E. G., (1929). Observations on the nocturnal behaviour of certain inhabitants of the Society's Aquarium. Proceedings of the Zoological Society of London, pp. 359–62.CrossRefGoogle Scholar
Hunter, G. C., & Kille, R. A., (1950). Some observations on Dictyocotyle coeliaca Nybelin, 1941 (Monogenea). Journal of Helminthology 24, 15–22.CrossRefGoogle Scholar
Kearn, G. C., (1970). The oncomiracidia of the monocotylid monogeneans Dictyocotyle coeliaca and Calicotyle kroyeri. Parasitology 61, 153–60.CrossRefGoogle Scholar
Kearn, G. C., (1973). An endogenous circadian hatching rhythm in the monogenean skin parasite Entobdella soleae, and its relationship to the activity rhythm of the host (Solea solea). Parasitology 66, 101–22.CrossRefGoogle Scholar
Kearn, G. C., (1974 a). Nocturnal hatching in the monogenean skin parasite Entobdella hippoglossi from the halibut, Hippoglossus hippoglossus. Parasitology 68, 161–72.CrossRefGoogle ScholarPubMed
Kearn, G. C., (1974 b). The effects offish skin mucus on hatching in the monogenean parasite Entobdella soleae from the skin of the common sole, Solea solea. Parasitology 68, 173–88.CrossRefGoogle Scholar
Llewellyn, J., & Green, J. E., (1957). The occurrence at Plymouth of Dictyocotyle coeliaca Nybelin, 1941 (Trematoda: Monogenea). Journal of the Marine Biological Association of the United Kingdom 36, 77–9.CrossRefGoogle Scholar
MacDonald, S., (1974). Host skin mucus as a hatching stimulant in Acanthocotyle lobianchi, a monogenean from the skin of Raja spp. Parasitology 68, 331–8.CrossRefGoogle ScholarPubMed
Schwassmann, H. O., (1971). Biological rhythms. In Fish Physiology, Vol. VI. Environmental Relations and Behaviour (ed. Hoar, W. S., and Randall, D. J.). New York, London: Academic Press.Google Scholar
Wheeler, A., (1969). The Fishes of the British Isles and North-West Europe. London: Macmillan.Google Scholar