Rybypyszczaki.pl is an ornamental fish farm and aquarium shop based in Kieźliny near Olsztyn, Poland. The business specializes in Malawi cichlids and also offers aquarium fish from Lake Tanganyika, Lake Victoria and other regions. Its pond and stock fish selection includes koi carp, ornamental goldfish, shubunkin, tench, sturgeon and other species. Customers can also find food and equipment for aquariums, garden ponds and ponds, including filters, pumps, UV lamps, water treatments, lighting, tanks, decorations and accessories.

The shop provides guidance on choosing fish, food and basic equipment to suit an aquarium, pond or stock pond, helping customers put together an appropriate setup. Malawi cichlids may be shipped by arrangement. Pond and stock fish are available for personal collection in Kieźliny or Olsztyn, with delivery for larger orders possible by prior agreement; these fish are not sent by courier. The store also sells online, accepts BLIK and card payments, and offers free delivery on eligible orders over PLN 299, excluding live fish and certain bulky shipments.