Yu H. & Zhang J. — A New Species of Mallinella Strand, 1906 (Araneae: Zodariidae) from Guizhou Province, China — 3-8. PDF
Sönmez S. & Karaytuğ S. — Morphological and Molecular Contribution to the Taxonomy of Attheyella (Attheyella) crassa (G. O. Sars, 1863) Species Complex (Harpacticoida: Canthocamptidae) — 9-16. PDF
Rozwałka R., Rutkowski T., Sienkiewicz P. & Wiśniowski B. — The Ladybird Spider Eresus kollari Rossi, 1846 (Araneae: Eresidae) in Poland: Distribution and Current Status of Threat — 17-24. PDF
Ntislidou C., Bobori D., Lazaridou M. & Rossaro B. — New Records of Chironomidae Species (Insecta: Diptera) from Greek Lakes — 25-28. PDF
Baba Ş. C., Giurginca A. & Murariu D. — Extent of Sampling Effort of the Romanian Centipedes (Myriapoda: Chilopoda): Issues and Advances — 29-36. PDF
Byk A., Gazurek T. & Tylkowski S. — Keratin Beetle Trox perrisii Fairmaire, 1868 (Coleoptera: Trogidae): First Records for Greece and Poland, with a Review of its Distribution and Ecology — 37-46. PDF
Petović S., Marković O. & Đurović M. — Inventory of Non-indigenous and Cryptogenic Marine Benthic Species of the South-East Adriatic Sea, Montenegro — 47-52. PDF
Nowak C., Bidas M., Kaźmierczak M. & Byk A. — New Data on the Distribution of the tribe Psammodiini Mulsant, 1842 (Coleoptera: Scarabaeidae) in Georgia — 53-56. PDF
Popov V. V. & Lakovski K. T. — Southernmost Postglacial Record of Pond Bat Myotis dasycneme (Boie, 1825) (Mammalia: Chiroptera) – Varteshka Cave, NW Bulgaria — 57-62. PDF
Georgieva Y. G. & Daskalov G. M. — Shift in Growth of an Apex Marine Predator: Bluefish Pomatomus saltatrix (L., 1766) (Perciformes: Potamonidae) in Relation to Changes in Feeding — 63-72. PDF
Güçlü S. S., Erdoğan Ö & Küçük F. — Biology of Chondrostoma fahirae (Ladiges, 1960) (Actinopterygii: Cyprinidae), an Endangered and Endemic Fish of Turkey — 73-78. PDF
Kapusta A., Czarkowski T. K., Kozłowski K., Dynowski P., Bogacka-Kapusta E. & Napiórkowska-Krzebietke A. — Seasonal and Spatial Variation in the Fish Assemblage in the Lowland Kosna River, Lyna River System, Poland — 79-85. PDF
Aydın G. B. & Çamur-Elipek B. — Benthic Macroinvertebrate Diversity of Rice Fields in the Meric-Ergene River Basin, Thrace, Turkey — 87-94. PDF
Todorova K., Velcheva I., Yancheva V., Stoyanova S., Dimitrova P., Tomov S. & Georgieva E. – — Interactions of Lead with Other Heavy Metals (Cadmium, Nickel and Zinc) in Toxic Effects on the Histological Structure of Gills of the Common Carp Cyprinus carpio Linnaeus, 1758 — 95-102. PDF
Mishra H., Kumar V. & Kumar A. — Resource Partitioning between Two Species of Migratory Waders, Common Redshank Tringa totanus (Linnaeus, 1758) and Little Stint Calidris minuta (Leisler, 1812) (Scolopacidae): A Behavioural Comparison in a Wetland Ecosystem in Bakhira Tal, Uttar Pradesh, India — 103-111. PDF
Varadinova E. D., Kerakova M. Y., Ihtimanska M. K. & Soufi R. A. — Trophic Structure of Macrozoobenthos and Assessment of Ecological Status of Lakes and Reservoirs in Bulgaria — 113-120. PDF
Devetak D., Mihelak K. & Kos I. — Gregarines (Apicomplexa: Eugregarinida) of Chilopoda and Diplopoda in Slovenia — 121-128. PDF
Mérő T. O. & Málnás K. — The First Record of Piscicola fasciata Kollar, 1842 (Hirudinea: Piscicolidae) from Serbia, with Recommendations for Sampling — 129-132. PDF
Melnikova E. — Length-weight Relationships of Mediterranean Horse Mackerel Trachurus mediterraneus (Steindachner, 1868) (Actinopterygii: Carangidae) from South-Western Shelf of the Crimea, Black Sea — 133-138. PDF
Altan Ö. — Suitable Live Weight for Transferring Rainbow Trout Oncorhynchus mykiss (L., 1758) (Actinopterygii: Salmonidae) from Concrete Ponds to Earthen Ponds for Faster Growth and Better Feed Performance — 139-142. PDF
Chang M. S., Asem A. & Sun S. C. — Morphological Abnormality in Artemia Leach, 1819 (Crustacea: Anostraca): A Specimen with Three Compound Eyes — 143-144. PDF
Kutsarov Y. & Hubenov Z. — Diopsidae (Schizophora: Acalyptrata) – a New Family for the Bulgarian Recent Dipterous Fauna — 145-147. PDF
Apostolou A., Pehlivanov L., Schabuss M. & Zorning H. — Distribution of the Ukrainian Brook Lamprey Eudontomyzon mariae (Berg, 1931) (Cephalaspidomorphi: Petromyzontidae) in Bulgarian Protected Zones along the Danube River — 149-151. PDF
Editorial board — In memoriam: Tanyo Michev 1939-2018 — 153-154. PDF
Editorial board — Editorial Acknowledgements to Reviewers, 2018 — 155. PDF