Similar word to aphotic:

Cimmerian, aphotic, atramentous, black, blackish, caliginous, clouded, cloudy, crepuscular, darkened, dim, dingy, drab, dull, dun, dusk, dusky, faint, foggy, gloomy, grimy, ill-lighted, indistinct, inky, lightless, lurid, misty, murky, nebulous, obfuscous, obscure, opaqu