Kalmar "dusky salamander" tana nufin wani nau'in ƙaramin amphibian mai launin duhu na dangin Plethodntidae. Wadannan salamanders yawanci ana samun su ne a cikin daskararru, kamar dazuzzuka da rafuka, kuma ana siffanta su da siririyar jikinsu, dogayen wutsiyoyi, da rashin ganuwa na waje. Kalmar “dusky” tana nufin launin duhun su, wanda zai iya zuwa daga launin ruwan kasa zuwa baki.
