ly ▁en velop es . ▁ ▁In ▁capt ivity , ▁eggs ▁were ▁attached ▁sing ly ▁at ▁night ▁to ▁floating ▁veget ation ▁in ▁groups ▁of ▁two ▁to ▁five ▁a ▁day . ▁Lar va e ▁h atch ▁out ▁at ▁about ▁ 5   mm ▁after ▁around ▁three ▁weeks . ▁ ▁Diet ▁Southern ▁d war f ▁sir ens ▁eat ▁a ▁variety ▁of ▁food ▁items , ▁including ▁small ▁w orm s , ▁ch ir onom ids , ▁am ph ip ods , ▁and ▁ost rac ods . ▁D war f ▁sir ens ▁have ▁surprising ly ▁small ▁mouth s , ▁but ▁will ▁likely ▁eat ▁any ▁in verte br ate ▁they ▁can ▁sw allow . ▁In ▁capt ivity , ▁adult ▁D ap hn ia ▁mag na , ▁white w orm s , ▁black w orm s , ▁and ▁tub if ex ▁w orm s ▁are ▁readily ▁taken . ▁ ▁E col ogy ▁During ▁dry ▁sp ells , ▁P . ▁ax anth us ▁is ▁known ▁to ▁a est iv ate ▁in ▁mud dy ▁bur rows , ▁and ▁adult s ▁have ▁been ▁kept ▁for ▁periods ▁longer ▁than ▁two ▁months ▁in ▁dry ▁soil ▁with ▁no ▁ill ▁effects ▁in ▁the ▁labor atory . ▁ ▁References ▁▁ ▁Net ting , ▁M . G . ▁& ▁C . J . ▁Go in . ▁ 1 9 4 2 . ▁Descri ptions ▁of ▁two ▁new ▁sal am and ers ▁from ▁pen ins ular ▁Florida . ▁Ann als ▁of ▁the ▁Car neg ie ▁Museum ▁ 2 9 : ▁ 1 7 5 - 1 9 6 .