Food resources influencing the asexual reproductive cycle of coronate Scyphozoa
Stampar, S.N.; Da Silveira, F.L.; Morandini, A.C. (2008). Food resources influencing the asexual reproductive cycle of coronate Scyphozoa. Cah. Biol. Mar. 49(3): 247-252
In: Cahiers de Biologie Marine. Station Biologique de Roscoff: Paris. ISSN 0007-9723; e-ISSN 2262-3094, meer
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Organic matter > Dissolved organic matter
Polyps
Marien/Kust |
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| Auteurs | | Top |
- Stampar, S.N.
- Da Silveira, F.L.
- Morandini, A.C.
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| Abstract |
The study of the strobilation process, a feature unique in the class Scyphozoa, is an issue that helps understanding the patterns of asexual reproduction in sessile invertebrates. Many inducers of asexual reproduction are known for scyphozoans. However, the influence of food resources on the strobilation of Coronate Scyphozoa has never been tested. We observed strobilation of a large number of polyps of Nausithoe aurea, from a wide sampling area along the South Atlantic coast of Brazil, through the administration of controlled number of hatched nauplii of Artemia franciscana under a previous tested starvation and feeding protocol. The number of strobilations between and within groups varied and the fate and shape of strobilation deviated from the biology reported in the original description. Artificial seawater was used to reduce the influence of dissolved organic matter as likely important alternative nourishment. |
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