▁known ▁as ▁the ▁San ▁Juan ▁cut th ro at ▁was ▁also ▁found ▁in ▁the ▁San ▁Juan ▁River ▁and ▁its ▁trib ut aries , ▁and ▁was ▁identified ▁in ▁ 2 0 1 2 ▁by ▁gen etic ▁testing ▁of ▁two ▁spec im ens ▁collected ▁in ▁ 1 8 7 4 ▁near ▁P ag osa ▁Spr ings . ▁While ▁fe ared ▁ext inct , ▁ 8 ▁isolated ▁populations ▁were ▁discovered ▁in ▁and ▁around ▁the ▁San ▁Juan ▁National ▁Forest ▁in ▁mid - 2 0 1 8 . ▁Short ly ▁after ▁the ▁redis cover y ▁of ▁the ▁San ▁Juan ▁cut th ro at , ▁their ▁rem nant ▁populations ▁were ▁threatened ▁by ▁the ▁ 4 1 6 ▁Fire , ▁which ▁was ▁closing ▁in ▁on ▁their ▁remaining ▁habitat . ▁In ▁response , ▁ 5 8 ▁San ▁Juan ▁cut th ro ats ▁were ▁removed ▁from ▁two ▁remote ▁cre eks ▁north ▁of ▁Dur ango ▁and ▁are ▁being ▁held ▁in ▁h atch eries , ▁with ▁the ▁ult imate ▁goal ▁of ▁capt ive ▁bre eding ▁and ▁re int roduction . ▁ ▁Conserv ation ▁Range wide ▁Conserv ation ▁Ag re ements ▁and ▁Management ▁Str ateg ies ▁are ▁in ▁place ▁for ▁this ▁species . ▁ ▁The ▁Wy oming ▁Game ▁and ▁Fish ▁Department ▁in ▁co operation ▁with ▁the ▁Bureau ▁of ▁Land ▁Management , ▁Little ▁S nake ▁Conserv ation ▁District , ▁the ▁U . S . ▁Fish ▁and ▁Wild life ▁Service ▁and ▁Tr out ▁Un limited ▁have ▁successfully ▁re int rodu ced ▁Colorado ▁River ▁cut th ro at ▁into ▁the ▁Little ▁S nake ▁River ▁bas in . ▁E