▁to ▁seven ▁pu ps ▁per ▁l itter . ▁It ▁is ▁possible ▁that ▁they ▁come ▁to ▁in sh ore ▁pu pping ▁grounds ▁to ▁give ▁birth . ▁The ▁pu ps ▁are ▁around ▁ 3 5   cm ▁at ▁birth , ▁and ▁they ▁later ▁m ature ▁at ▁around ▁ 8 3   cm ▁if ▁they ▁are ▁male , ▁and ▁around ▁ 1 1 0   cm ▁if ▁they ▁are ▁female . ▁ ▁Conserv ation ▁The ▁six g ill ▁saw sh ark ▁is ▁listed ▁as ▁Near ▁Th re aten ed ▁by ▁the ▁IU CN ▁Red ▁List . ▁This ▁is ▁because ▁of ▁their ▁restricted ▁ge ographical ▁range , ▁small ▁lit ters , ▁high ▁age ▁of ▁m atur ity , ▁and ▁extreme ▁vulner ability ▁to ▁bottom ▁tra w ling ▁fish ing . ▁Though ▁they ▁are ▁not ▁sought ▁after ▁in ▁any ▁market , ▁they ▁are ▁frequently ▁caught ▁as ▁by - catch ▁and ▁dis posed . ▁Because ▁of ▁their ▁deep ▁habitat , ▁six g ill ▁saw sh arks ▁are ▁not ▁considered ▁a ▁threat ▁to ▁people . ▁ ▁See ▁also ▁▁ ▁List ▁of ▁pre histor ic ▁cart il agin ous ▁fish ▁ ▁References ▁▁▁▁ ▁Category : P rist iop hor idae ▁Category : Mon ot yp ic ▁fish ▁gener a ▁Category : A qu itan ian ▁genus ▁first ▁appearances ▁Category : Ext ant ▁Mi oc ene ▁first ▁appearances ▁Category : F ish ▁described ▁in ▁ 1 9 0 6 <0x0A> </s> ▁James ▁Har vey ▁Blood ▁( Dec ember ▁ 2 9 , ▁ 1 8 3 3 ▁– ▁December ▁ 2 9