Ko te paura angaanga e pā ana ki te paura i hangaia mā te kuru me te huri i ngā angaanga. 95% o ōna kai he konupūmā kāponāte, he kitin, me te iti o ngā waikawa amino me ngā polysaccharides. Ka taea te whakamahi hei rauemi papai mō te kai, ngā mea whakapaipai me ngā whakapaipai o roto, ā, e whakamahia ana hoki i roto i ngā kararehe me ngā heihei. Hei tāpiringa mō te kai me te kai, hei pūtake konupūmā, hei tukatuka whakapaipai, hei whakamaroke, me ētahi atu.