42. Lophochaeta ignota (Stolc, 1886)

Tubifex ignotus ( Štolc, 1886)

Tubifex filum Michaelsen, 1901

Geographic distribution.

Palearctic species, which was also indicated for Great Lakes of North America and Lake Titicaca in South America. In the Russian tundra: Murmansk Region (Finogenova 1975; Timm and Popchenko 1978), the Pechora River delta (Baturina 2018), Lake Ambarty and some other lakes in the Korotaikha River basin (Popchenko 1978), lakes in the More-yu River Kara River basins (Baturina and Loskutova 2010), lakes in the Malaya Usa River basin (Baturina et al. 2014b).

Location.

Lake Bolshoy Kharbey (67°34'42.3"N, 62°52'57.1"E; 67°35'7.7"N, 62°54'46.9"E; 67°34'3.5"N, 62°52'17.9"E; 67°33'45.9"N, 62°54'34.7"E; 67°32'48.3"N, 62°53'49.7"E), Lake L (67°35'46"N, 62°49'44.8"E); Lake K2 (67°32'55.7"N, 62°51'39.7"E), Lake K1 (67°36'22.1"N, 62°52'20.3"E; 67°36'17.6"N, 62°52'35"E); Lake Golovka (67°36'21.2"N, 62°56'6.6"E; 67°36'06"N, 62°55'28.6"E).

Ecology.

The species lives in silt, clay and sand (from the water edge up to 9.5 m in depth).