Interstellar planktonCanonLegendsInfinitiesInterstellar plankton were tiny pseudo-animals and quasi-plants that formed the food source of the Oswaft and other space-borne cratures in the ThonBoka Starcave. Sources The Essential ChronologyThe Essential Guide to Alien SpeciesAppearancesLando Calrissian and the Starcave of ThonBoka (First appearance) (First identified as Interstellar plankton) (Unknown)Unknown UnknownNone