The Indigirka River (Индигирка in Russian), a river in Sakha in Russia. It is 1726 km in length. Tha area of its basin is 360,000 sq km. The river flows into the East Siberian Sea. Tributaries: Kuydusun , Kyuente , Elgi , Nera, Moma , Badyarikha , Seleniyakh , Uyandina . It freezes up in October and stays under the ice until May-June. The Indigirka River teems with different kinds of fish, such as ryapushka , chir , muksun , white salmon (nelma), omul , sig etc. Main ports: Khonuu , Druzhina , Chokurdakh , Tabor . There is a gold prospecting industry in the Indigirka basin.