There are brown trout, European eel and three-spined stickleback in the streams, and salmon occasionally run in the Kinloch River. The only amphibian found on Rùm is the palmate newt and the only reptile native to Rùm is the common lizard. Invertebrates are diverse and have been studied there since 1884, numerous species of damsel fly, dragonfly, beetle, butterflies, moths etc. having been recorded. Several rare upland species are found on the ultrabasic slopes of Barkeval, Hallival and Askival including the ground beetles "Leistus montanus" and "Amara quenseli". The midge ("Culicoides impunctatus"), a biting gnat, occurs in "unbelievable numbers".