It lives in the deeper regions of the lakes, moving to shallower waters only during the spawning season.

Recently the presence of this charr has been reported in several other lakes of Scotland, although it may be not be Salvelinus killinensis, but another similar species.

[3][4] The IUCN Red List however follows division of Scottish (and other) charrs to several local species.

The dorsal surface is dull, olive-grey or bluish-grey with pale spots, shading to yellowish-white on the belly.

[2] This fish lives in the deepest parts of Loch Killin, which has a maximum depth of 67 ft (20 m).