Published in
Taylor and Francis Group, Italian Journal of Zoology, 3(71), p. 233-236, 2004
DOI: 10.1080/11250000409356577
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Ecology and distribution of the freshwater planarianSchmidtea mediterraneain Tunisia
Journal article published in 2004 by
Abdel Halim Harrath 
,
Mohamed Charni,
Ronald Sluys,
Fathia Zghal,
Saida Tekaya
,
Mohamed Charni,
Ronald Sluys,
Fathia Zghal,
Saida Tekaya
This paper is made freely available by the publisher.
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Abstract
The ecology of Schmidtea mediterranea, a freshwater planarian, is here described for the first time from Tunisia. The population consists of sexual diploids with a chromosome number of 2n = 8, and reproduces exclusively sexually through the formation of cocoons. Seasonal variation in the number of animals present as well their state of maturity, were correlated with water temperature.