1. Alien mollusk species in the aquatic ecosystems of Western Siberia: A review

   • M. V. Vinarski
   • N. I. Andreev
   • E. A. Lazutkina

   OriginalPaper 23 September 2015 Pages: 137 - 147

2. Beavers (Castor fiber) of the Mordovia Nature Reserve: Population development history, current state, and prospects

   • N. A. Zavyalov
   • O. N. Artaev
   • V. G. Petrosyan

   OriginalPaper 23 September 2015 Pages: 148 - 164

3. Parasite fauna of Amur sleeper Perccottus glenii Dybowski, 1877 (Osteichthyes: Odontobutidae) in some water bodies of Kyiv oblast

   • N. V. Zaichenko

   OriginalPaper 23 September 2015 Pages: 165 - 169

4. Distribution of new fish species along the navigable waterways in the water bodies of Vologda oblast

   • A. F. Konovalov
   • M. Ya. Borisov
   • N. L. Bolotova

   OriginalPaper 23 September 2015 Pages: 170 - 178

5. The distribution of topmouth gudgeon Pseudorasbora parva (Temminck et Schlegel, 1846) (Actinopterygii: Cyprinidae) in water bodies of Armenia

   • S. Kh. Pipoyan
   • A. S. Arakelyan

   OriginalPaper 23 September 2015 Pages: 179 - 183

6. Comparison of the ecological status and water quality of lakes inhabited by and devoid of Dreissena polymorpha (Pallas)

   • V. I. Razlutskij
   • E. A. Sysova
   • I. Y. Feniova

   OriginalPaper 23 September 2015 Pages: 184 - 196

7. Ichthyofauna of the Aksu River of Balkhash Basin

   • N. S. Sapargalieva

   OriginalPaper 23 September 2015 Pages: 197 - 201

8. Expansions of plant species to the flora of Vladimir oblast (Russia) in the last decade. Second report

   • A. P. Seregin

   OriginalPaper 23 September 2015 Pages: 202 - 221