A total of 22,000 Siberian sturgeon fry were released into the Irtysh River in Abai Region as part of the nationwide Taza Kazakhstan environmental campaign. The restocking took place on October 29–30 at the initiative of the regional Department of Natural Resources and Environmental Regulation.
The release was held near the village of Krupskoye in Zhanasemey District. Of the fish released, 8,000 were yearlings weighing at least 150 grams, while 14,000 were fry from this year weighing at least 20 grams.
The restocking involved Ost Fish LLP, a fish-farming company located in the Saratov rural district of Ulan District, East Kazakhstan Region.