Salvelinus profundus (German: Tiefseesaibling 'Deepwater char') is a deepwater char species found only in deep areas of Lake Constance. This fish can reach 24 cm (9.4 in) in length and has a blunt snout with the mouth in subinferior position. Its lower fins have no white margins and its flanks are silvery to yellowish with pale blue spots; the belly can have a reddish color.