Tikhaya Bay, Lake Vishtynetskoe — year-round spearfishing ban (бухта Тихая, озеро Виштынецкое)

Freshwater lake (largest lake in Kaliningrad Oblast, ~17.9 km², max depth 54 m, on the Russian-Lithuanian border in Nesterovsky District). Spearfishing is prohibited year-round in Tikhaya Bay within the external boundaries of fishing quadrants No. 51 and 63, per the Fishing Rules for the Western Fishery Basin (Order of the Ministry of Agriculture of the Russian Federation No. 620 of 21.10.2020, as amended to 01.09.2024). This is an inland/freshwater prohibition, separate from the general spawning-season ban (20 Apr – 20 Jun) that applies to all other Kaliningrad Oblast water bodies of fishery significance.