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The World of Protozoa, Rotifera, Nematoda and Oligochaeta

Ref ID : 697

Pierre Champ and Roger Pourriot; [Particularites biologiques et ecologiques du rotifere Sinantherina socialis (Linne)]. Hydrobiologia 55(1):55-64, 1977

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The periphytic and colonial rotifer Sinantherina socialis is a thermophile species living between 18 and 34 degrees C. The hatching of its eggs takes place daily with a rhythm linked to the photoperiod. The sexual cycle is characterized by the existence of amphoteric females producing two kinds of eggs. The occurrence of mictic eggs appeared to be significantly related to short photoperiods and great densities of population.