In December 2022, the Border Directorate of the FSB of Russia for the Sakhalin Region in the water area of ​ ​  Tunaicha Lake stopped the illegal extraction of especially valuable aquatic biological resources by 5 persons who caught 17 copies of taimen, with a total weight of more than 50 kg.

The damage caused amounted to about 800 thousand rubles.

5 criminal cases were initiated against poachers under Part 1 of Art. 258.1 of the Criminal Code of the Russian Federation.