The first record of the North Americal crayfish Orconectes limosus in Belarus (River Shlyamitsa, a tributary of Neman, June of 1997) is reported. Possible ecological impacts of the species for Belarusian waterbodies are discussed. [Pikulik MM, Kulesh VF, Alekhnovich AV, Pareiko OV (1999) Ecological consequences of invasion of the spiny-cheek crayfish, Orconectes limosus, in aquatic ecosystems of Belarus. Vestsi Natsiyanal'nay Akademii Navuk Belarusi. Ser. Biyal. Navuk. 3: 110-113 (in Russian with English summary)]

A new locality of Orconectes limosus is reported. This invasive crayfish was found in the River Kolonka at the territory of the National Park Belovezhskaya Puscha . [Giginyak YG, Baychorov VM and Giginyak IY (2007) The present hydrobiological state of aquatic ecosystems of the National Park Belovezhskaya Puscha . In: Proceedings of the III International conference Lake ecosystems: biological processes, anthropogenic transformation, water quality , 17-22 September 2007, Minsk - Naroch, pp 49-50. Publishing center of the Belarussian State University, Minsk (in Russian)]

Biological traits of the prawns Macrobrachium nipponense and Macrobrachium rosenbergii are discussed. [Giginyak YG and Kulesh VF (1989) Differences in freshwater subtropical prawns during early ontogenesis. In: Abstracts of the VI Zoological conference Dynamics of zoocommunities, problems of conservation and rational use of animal resources in Belarus , pp 48-49. Nauka i Tekhnika Press, Minsk (in Russian)]