Enkele waarnemingen betreffende de ongeslachtelijke voortplanting van de Scyphozoa: Aurelia aurita (Lam.); Cyanea capillata (L.); en Chrysaora hysoscella (L.)
van Erp, J. (1958). Enkele waarnemingen betreffende de ongeslachtelijke voortplanting van de Scyphozoa: Aurelia aurita (Lam.); Cyanea capillata (L.); en Chrysaora hysoscella (L.). NIOZ-rapport, 1958(1). Nederlands Instituut voor Onderzoek der Zee: Texel. 37 pp.
Part of: NIOZ-rapport. Netherlands Institute for Sea Research (NIOZ): Den Burg. ISSN 0923-3210
Polyp stages were reared from planulae by keeping adult jellyfish in aquaria. Polyps of the species Aurelia aurita, Cyanea capillata and Chrysaora hysoscella, were kept at different temperatures. Scyphistomae of Aurelia reproduce mainly by stolonization. An influence of temperature on this was not found. Strobilation occurs probably at temperatures between 4 and 10°C. Scyphistomae of Cyanea reproduce mainly by the formation of podocysts. Higher temperatures stimulate this formation. Strobilation occurs between 2 and 12°C, with probably an optimum at about 7°C. Strobilation of Chrysaora takes place at temperatures between 7°and 15°C. Stolonization was not observed and only very few podocysts were produced. The scyphistomae were too young for this process. Temperature appeared to be an important factor in strobilation. The experiments were not conclusive about the influence of other factors and their importance in relation to temperature.
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