Fig. 1From: The ctenophore Mnemiopsis leidyi regulates egg production via conspecific communicationExperimental design. a Solitary treatment: one M. leidyi in an arena without a barrier. b No-barrier treatment: two M. leidyi in an arena without a barrier. c Permeable-barrier treatment: two M. leidyi in an arena separated by a perforated barrier. d Sealed-barrier treatment: two M. leidyi in an arena separated by a barrier without holesBack to article page