Gnelitsa V. A. – A new species of the genus Bathyphantes Menge, 1866 (Araneae: Linyphiidae) from Ukrain – 155-157. PDF
Glöer P. & Zettler M. L. – New species of freshwater snails (Gastropoda: Bithyniidae, Hydrobiidae and Planorbidae) from Corfu Island (Greece) and Bulgaria – 159-162. PDF
Kalayci T. E. – First data on DNA barcoding of the Agamidae (Reptilia: Squamata) from Anatolia, Turkey – 163-170. PDF
Cicek E., Eagderi S., Sungur S. & Seçer B. – Species of Oxynoemacheilus Bănărescu & Nalbant, 1966
(Actinopterygii: Nemacheilidae) in the Turkish part of the Kura-Aras River system, with the first detailed evidence for the occurrence of O. bergianus (Derjavin, 1934) and O. bergi (Gratzianov, 1907) – 171-178. PDF
Mladenović K. D., Stojnić B. S., Milanović S. D., Milenković I. Lj. & Radulović Z. B. – Predatory mites and spider mites (Acari: Phytoseiidae and Tetranychidae) on oak trees in Serbia – 179-185. PDF
Riedel M. & Kolarov J. – Contribution to Mesochorinae (Hymenoptera: Ichneumonidae) of Bulgaria and North Macedonia – 187-200. PDF
Nahirnić-Beshkova A., Toshova T. B. & Beshkov S. – New Data for the Zygaenidae (Lepidoptera) from the Sakar Mountain, Bulgaria – 201-205. PDF
Zidarova S. A. – Terrestrial mammalian fauna (Eulipotyphla, Lagomorpha, Rodentia, Carnivora and Artiodactyla) of the Lozen Mountain, Western Bulgaria – 207-214. PDF
Salahud D., Saima M., Hafsa Z., Habib R., Imad K., Arbab S., Asad U. K., Zubair L. & Arsala K. – Morphological characteristics of the pelvis of adult chinkara Gazella bennettii (Sykes, 1831) (Mammalia: Bovidae) – 215-224. PDF
Bülbül U., Koç-Gür H., Albayrak M., Bayrak M. O., Özkan H. & Kutrup B. – Body size and age structure
of the Lebanon lizard Phoenicolacerta laevis (Gray, 1838) (Reptilia: Lacertidae) in a lowland Turkish population – 225-231. PDF
Peedikayil A. C., Kunnath S. M., Rajeevan S., Prasadan P. K., Sudhin P. P. & Sudhikumar A. V. – Spider Diversity (Arachnida: Araneae) in Selected Sacred Groves of the Kannur District, India – 233-252. PDF
Nguyen T. H. D., Nguyen H. T. T., Tran C. C., Nguyen Y T. N. & Dinh Q. M. – Ovarian development, spawning characteristics, size at first maturity and fecundity of Glossogobius sparsipapillus Akihito & Meguro, 1976
(Gobiiformes: Gobiidae) along estuarine and coastal regions in the Mekong Delta, Vietnam – 253-206. PDF
Subotić S., Višnjić-Jeftić Ž., Lenhardt M. & Krpo-Ćetković J. – Growth and condition of vimba bream Vimba vimba (L., 1758) (Actinopterygii: Cyprinidae) from commercial fisheries in the Danube River near Belgrade, Serbia – 261-267. PDF
Apostolou A., L. Pehlivanov L., Schabuss M. & H. Zorning H. – Monitoring fish in Lower Danube River main channel by applying various sampling methodologies – 269-274. PDF
Protasov A., Novosеlova T., Uzunov Y., Barinova S. & Sylaieva A. – Changes in the planktonic system
of the nuclear power plant cooling pond related to the invasion of Dreissenidae
(Mollusca: Bivalvia) – 275-288. PDF
Stoianova D., Karaivanov N. & Simov N. – Roadkill of bats (Microchiroptera) in a biodiversity hotspot: a case study of the Kresna Gorge, Bulgaria – 289-295. PDF
Popov D. V., Meshkova G. D., Hristova P. D., Miteva A. N., Ilieva T. A. & Dimitrov H. A. – Line transect surveys
of abundance and density of cetaceans in the marine area of the Bulgarian Natura 2000 BG0001001 Ropotamo Site of Community Importance, Black Sea – 297-304. PDF
Ounifi-Ben Amor K. & Ben Amor M. M. – Six years after the first record: the Massawan mantis shrimp
Erugosquilla massavensis (Kossmann, 1880) (Crustacea: Squillidae) in Tunisian Waters, Central Mediterranean Sea – 305-308. PDF
Tran L. T., Lam T. T. H., Tran N. S. & Dinh Q. M. – Variation in growth and condition factors of three commercial fish species in habitats associated with rice paddy fields in An Giang Province, Vietnam – 309-316. PDF
Trichkova T. & Kalcheva H. – In Memoriam – Prof. Dr. Roumen K. Kalchev (20.11.1951–12.03.2021) – 317 -322. PDF
Radkhah A.R. & Eagderi S. – Manabu Yoshida & Juan F. Asturiano (Eds.) 2020. Reproduction in Aquatic Animals: From Basic Biology to Aquaculture Technology. 2020. Springer, Singapore. – 323-324. PDF