part of part of immediately preceded by immediately preceded by occurrent larval development phase 8-arm pluteus larva stage competent pluteus larva stage Cpt8a The competent pluteus larva is characterized by the presence, within the larva, on the left side of its stomach, of the adult rudiment. The rudiment is now the size of or even bigger than the stomach and harbors five long primary podia (i.e. tube feet) and five quartets of definitive spines. Under the right environemental cue, the larva is competent to undergo metamorphosis. UBERON:0008265 cPlut ecao_developmental_stage