0 ▁individuals . ▁ ▁There ▁are ▁two ▁more ▁sites ▁up stream ▁that ▁have ▁been ▁discovered ▁but ▁data ▁has ▁yet ▁to ▁be ▁published . ▁ ▁The ▁C umber land ▁River ▁is ▁the ▁primary ▁d rain age ▁of ▁the ▁C umber land ▁Pl ate au , ▁which ▁s its ▁between ▁the ▁High land ▁R im ▁and ▁the ▁southern ▁App al ach ian ▁Mountains . ▁ ▁The ▁plate au ▁contains ▁well - dra ined ▁soil ▁that ▁is ▁acid ic ▁and ▁infer t ile . ▁ ▁The ▁river ▁has ▁er oded ▁through ▁a ▁sand stone ▁cr ust ▁to ▁its ▁lim estone ▁base . ▁ ▁The ▁area ▁has ▁a ▁history ▁of ▁industrial ▁and ▁agricult ural ▁practices , ▁such ▁as ▁coal ▁min ing , ▁that ▁have ▁reduced ▁habitat ▁for ▁all ▁wild life . ▁ ▁However , ▁the ▁region ▁is ▁now ▁protected ▁by ▁the ▁Big ▁South ▁F ork ▁National ▁River ▁and ▁Rec re ation ▁Area . ▁ ▁E col ogy ▁and ▁life ▁history ▁The ▁t ux edo ▁d arter ▁is ▁a ▁b enth ic ▁species ▁with ▁crypt ic ▁color ation . ▁T ux edo ▁dar ters ▁live ▁only ▁one ▁to ▁two ▁years ▁and ▁do ▁not ▁vent ure ▁far ▁from ▁where ▁they ▁were ▁born . ▁ ▁The ▁E . ▁per cn ur um ▁species ▁complex ▁is ▁unique ▁within ▁its ▁sub gen us ▁( Cat on ot us ) ▁because ▁its ▁species ▁prefer ▁larger ▁streams ▁and ▁moder ately ▁large ▁rivers . ▁ ▁The ▁t ux edo ▁d arter ▁is ▁an ▁insect iv ore ▁that ▁fe eds ▁on ▁micro cr ust ace ans