▁as ▁stream ▁channel ization ▁projects . ▁ ▁The ▁d arter ▁is ▁thought ▁to ▁have ▁a ▁high ▁res ili ence ▁with ▁minimum ▁population ▁dou bling ▁time ▁less ▁than ▁ 1 5 ▁months ; ▁it ▁is ▁also ▁believed ▁to ▁have ▁low ▁vulner ability . ▁Fre ck le bel ly ▁d arter ▁females ▁contain ▁about ▁ 1 0 0 - 3 0 0 ▁m ature ▁o va ▁depending ▁on ▁size . ▁Fish ▁become ▁m ature ▁by ▁age ▁ 1 . ▁Sp aw ning ▁in ▁this ▁d arter ▁species ▁involves ▁egg ▁bur ial ▁where ▁the ▁male ▁mount s ▁the ▁female ▁and ▁depos its ▁eggs ▁in ▁deep ▁de press ions ▁created ▁by ▁re cept ive ▁females . ▁ ▁Geographic ▁distribution ▁The ▁fre ck le bel ly ▁d arter ▁has ▁a ▁rather ▁small ▁distribution . ▁Found ▁in ▁only ▁two ▁states , ▁Tennessee ▁and ▁Kentucky , ▁the ▁species ▁is ▁en demic ▁to ▁higher ▁elev ation ▁streams ▁and ▁res er voir s . ▁found ▁primarily ▁in ▁the ▁Upper ▁Kentucky ▁and ▁upper ▁Green ▁( including ▁Bar ren ▁River ) ▁river ▁systems ▁in ▁eastern ▁and ▁central ▁Kentucky ▁and ▁north - central ▁Tennessee . ▁The ▁d arter ▁propag ates ▁u pl and ▁streams ▁of ▁the ▁C umber land ▁Pl ate au ▁and ▁central ▁port ions ▁of ▁the ▁High land ▁R im . ▁Fair ly ▁common ▁in ▁Kentucky ▁River ▁d rain age ▁( where ▁occurs ▁from ▁Red ▁River ▁up stream ▁and ▁including ▁the ▁South ▁F ork ), ▁the ▁d arter ▁is ▁un common ▁and ▁local ized ▁in ▁the ▁Green ▁River ▁d rain age . ▁In