Biological notes on Makassaritanais itoi (Ishimaru, 1985) (Crustacea: Peracarida: Tanaidacea)

Abstract

Through observations of captive individuals, this study confirmed that Makassaritanais itoi (Ishimaru, 1985) is a protogynous hermaphrodite and dwells in tubes. Seven of ten isolated females changed sex and three did not, implying that M. itoi may consist of hermaphrodites and gonochoristic females, as has been suggested for other protogynous hermaphroditic tanaidaceans.