▁family ▁Tel mat obi idae . ▁It ▁is ▁en demic ▁to ▁the ▁And es ▁of ▁E cuador , ▁with ▁records ▁from ▁both ▁Amazon ian ▁and ▁Pacific ▁vers ants . ▁Last ▁seen ▁in ▁ 1 9 9 4 , ▁it ▁is ▁fe ared ▁that ▁this ▁species ▁may ▁be ▁ext inct . ▁Common ▁name ▁black ▁water ▁f rog ▁has ▁been ▁co ined ▁for ▁it . ▁ ▁Description ▁Ad ult ▁males ▁measure ▁ ▁and ▁adult ▁females ▁ ▁in ▁sn out – vent ▁length . ▁The ▁head ▁is ▁large . ▁The ▁tym pan ic ▁ann ulus ▁may ▁be ▁present , ▁reduced , ▁or ▁absent ; ▁the ▁right ▁and ▁left ▁side ▁of ▁a ▁single ▁individual ▁may ▁show ▁different ▁state . ▁The ▁fingers ▁have ▁no ▁we bb ing ▁whereas ▁the ▁to es ▁are ▁we bb ed ; ▁the ▁degree ▁of ▁we bb ing ▁var ies ▁among ▁individuals . ▁The ▁d ors um ▁has ▁either ▁uniform ▁color ▁or ▁subt le ▁m ott ling ▁or ▁ind ist inct ▁sp ots ; ▁the ▁former ▁is ▁more ▁typical . ▁The ▁background ▁color ▁ranges ▁from ▁re dd ish ▁brown ▁to ▁brown ish ▁gray . ▁M ott ling ▁sp ots ▁can ▁be ▁tan , ▁gray , ▁or ▁dark ▁brown . ▁Vent ral ▁color ation ▁is ▁similarly ▁variable , ▁but ▁the ▁pattern ing , ▁when ▁present , ▁is ▁stronger . ▁ ▁Hab itat ▁and ▁conservation ▁Tel mat ob ius ▁n iger ▁has ▁been ▁recorded ▁in ▁the ▁vic inity ▁of ▁streams ▁and ▁rivers ▁in ▁cloud ▁for ests , ▁mo ist ▁scr ub land , ▁high - alt