al ▁dis ks ▁and ▁moving ▁them ▁to ▁form ▁the ▁r ims ▁of ▁shall ow ▁de press ions . ▁The ▁stick y ▁eggs ▁are ▁depos ited ▁in ▁the ▁nest ▁and ▁ad here ▁to ▁the ▁sand ▁and ▁gra vel . ▁Multiple ▁adult s ▁may ▁spawn ▁in ▁the ▁same ▁nest , ▁and ▁multiple ▁males ▁may ▁spawn ▁with ▁the ▁same ▁female . ▁As ▁with ▁all ▁lamp rey ▁species , ▁adult s ▁die ▁after ▁sp aw ning . ▁ ▁When ▁they ▁first ▁h atch , ▁emb ry os ▁remain ▁in ▁the ▁nest ▁for ▁up ▁to ▁one ▁month ▁before ▁they ▁m ature ▁into ▁am m oco etes . ▁Am m oco etes ▁leave ▁the ▁nest ▁and ▁seek ▁out ▁slow - flow ing ▁water ▁in ▁sand y ▁areas , ▁where ▁they ▁bur row ▁and ▁begin ▁feed ing . ▁Am m oco etes ▁live ▁bur row ed ▁for ▁ 3 – 7 ▁y r , ▁feed ing ▁on ▁micro scop ic ▁plant ▁and ▁animal ▁life ▁and ▁det rit us ▁( dec ay ing ▁matter ). ▁M ature ▁am m oco etes ▁will ▁begin ▁met am orph osis ▁in ▁the ▁late ▁summer ▁through ▁the ▁fall ▁in ▁prepar ation ▁for ▁sp aw ning ▁the ▁following ▁year . ▁Met am orph osing ▁and ▁adult ▁bro ok ▁lamp re ys ▁cannot ▁eat , ▁since ▁they ▁have ▁ ▁non function al ▁int est ines , ▁and ▁only ▁live ▁for ▁four ▁to ▁six ▁months . ▁ ▁References ▁ ▁http :// www . natural her itage . state . pa . us / fact sheets / 1 1