<P> Its tributaries include the Angara, Nizhnyaya Tunguska, Podkamennaya Tunguska, and Tuba rivers . </P> <P> The 320 - kilometre (200 mi), partly navigable Upper Angara River feeds into the northern end of Lake Baikal from the Buryat Republic but the largest inflow is from the Selenga which forms a delta on the south - eastern side . </P> <P> The Yenisei River basin (excluding Lake Baikal and lakes of the Khantayka River headwaters) is home to 55 native fish species, including two endemics: Gobio sibiricus (a gobionine cyprinid) and Thymallus nigrescens (es) (a grayling). The grayling is restricted to Khövsgöl Nuur and its tributaries . Most fish found in the Yenisei River basin are relatively widespread Euro - Siberian or Siberian species, such as northern pike (Esox lucius), common roach (Rutilus rutilus), common dace (Leuciscus leuciscus), Siberian sculpin (Cottus poecilopus), European perch (Perca fluviatilis) and Prussian carp (Carassius gibelio). The basin is also home to many salmonids (trout, whitefish, charr, graylings, taimen and relatives) and the Siberian sturgeon (Acipenser baerii). </P> <P> The Yenisei River valley is habitat for numerous flora and fauna, with Siberian pine and Siberian larch being notable tree species . In prehistoric times Scots pine, Pinus sylvestris, was abundant in the Yenisei River valley circa 6000 BC . There are also numerous bird species present in the watershed, including, for example, the hooded crow, Corvus cornix . </P>

Where is the yenisei river located on a map