Ref ID : 7105
Taniguchi Akira and Kawakami Reiko; Growth Rates of Ciliate Eutintinnus lususundae and Favella taraikaensis Observed in the Laboratory Culture Experiments. Bulletin of Plankton Society of Japan 30(1):33-40, 1983
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Tintinnid ciliate Eutintinnus lususundae and Favella taraikaensis were cultured by providing a mixture of Isochrysis galbana, Prorocentrum minimum and Rhodomonas sp. for supporting their growth. In the culture experiments, F. taraikaensis was observed to have a phenotype, coxliella form, as previously discovered in the congeneric species F. ehrenbergii. F. taraikaensis revealed the conjugational capability between favella form and coxliella form. Mean generation times during the log phase were 17.8-21.2 hr for E. lususundae and 17.6-28.4 hr for F. taraikaensis. The minimum generation times for the respective species were 6.6-13.5 hr and 10.0-26.9 hr. It is likely that the interspecific competition between these two species occurs at the density over 10-20 indiv. ml-1.