| Fauna and distribution of fishes in Bulgaria T Stefanov Biogeography and ecology of Bulgaria, 109-140, 2007 | 46 | 2007 |
| Genetic diversity and phylogenetic origin of brown trout Salmo trutta populations in eastern Balkans J Kohout, A Šedivá, A Apostolou, T Stefanov, S Marić, M Gaffaroğlu, ... Biologia 68, 1229-1237, 2013 | 40 | 2013 |
| A multilocus assessment of nuclear and mitochondrial sequence data elucidates phylogenetic relationships among European spirlins (Alburnoides, Cyprinidae) S Stierandová, J Vukić, ED Vasil’eva, S Zogaris, S Shumka, K Halačka, ... Molecular Phylogenetics and Evolution 94, 479-491, 2016 | 38 | 2016 |
| High cryptic diversity of bitterling fish in the southern West Palearctic V Bartáková, J Bryja, R Šanda, Y Bektas, T Stefanov, L Choleva, C Smith, ... Molecular Phylogenetics and Evolution 133, 1-11, 2019 | 22 | 2019 |
| International single species action plan for the conservation of the red-breasted goose (Branta ruficollis) PA Cranswick, L Raducescu, GM Hilton, N Petkov AEWA Technical Series, 2012 | 19 | 2012 |
| Fish species diversity in the rivers of the north-west Bulgaria T Trichkova, T Stefanov, M Vassilev, M Zivkov Transylvanian Review of Systematical and Ecological Research, 161, 2009 | 18 | 2009 |
| Description of a new species of Phoxinus from the upper Krka River (Adriatic Basin) in Croatia (Actinopterygii: Leuciscidae), first discovered as a molecular clade NG Bogutskaya, D Jelić, M Vucić, M Jelić, OA Diripasko, T Stefanov, ... Journal of fish biology 96 (2), 378-393, 2020 | 14 | 2020 |
| Variation in external morphology between the native and invasive populations of the round goby, Neogobius melanostomus (Actinopterygii: Gobiidae) D Dashinov, P Czerniejewski, S Balshine, C Synyshyn, ... Zoomorphology 139 (3), 361-371, 2020 | 11 | 2020 |
| Notes on the fish fauna composition of Mesta (Nestos) River in regard to management and conservation A Apostolou, M Koutrakis, L Pehlivanov, M Vassilev, T Stefanov, B Velkov Acta zoologica bulgarica 62 (3), 271-276, 2010 | 11 | 2010 |
| Perils of brown trout (Salmo spp.) mitigation-driven translocations: a case study from the Vlasina Plateau, Southeast Serbia S Marić, D Stanković, S Sušnik Bajec, J Vukić, R Šanda, T Stefanov, ... Biological Invasions, 1-18, 2022 | 9 | 2022 |
| Recent ichthyofauna in the wetlands along the Bulgarian section of the Danube L PEHLIVANOV, T STEFANOV, S MIHOV, V BISERKOV, M VASSILEV, ... Sc. Annals of DDI 17, 83-88, 2011 | 9 | 2011 |
| The lampreys of Bulgaria T Stefanov, J Holcik FOLIA ZOOLOGICA-PRAHA- 56 (2), 213, 2007 | 9 | 2007 |
| Spatial variation in the abundance and population structure of bullhead Cottus gobio L., 1758 (Actinopterygii: Cottidae) from the Iskar River Basin (Danube River drainage … EP Uzunova, EK Kanev, T Stefanov Acta Zoological Bulgarica 69 (3), 393-404, 2017 | 8 | 2017 |
| Inventory and mapping of fauna species (fish, amphibians and reptiles) and their habitats for biological characterization and ecological assessment G Popgeorgiev, N Tzankov, D Plachiyski, T Stefanov Belasitsa Nature Park Management Plan 2024, 93-102, 2014 | 6 | 2014 |
| First occurrence of Neogobius fluviatilis T Stefanov, M Vassilev, D Dobrev Pallas, 331-334, 1814 | 6 | 1814 |
| Endohelminth parasites in loaches Cobitis spp.(Actinopterygii: Cobitidae), with the first record of Allocreadium transversale (Rudolphi, 1802)(Digenea: Allocreadiidae) in Bulgaria Ľ Šmiga, J Fedorčák, A Faltýnková, T Stefanov, J Bystrianska, K Halačka, ... Acta Zool. Bulg 72, 311-314, 2020 | 5 | 2020 |
| New localities and habitat suitability modelling for the riverine water bug Aphelocheirus aestivalis (Fabricius, 1794)(Heteroptera: Aphelocheiridae) in Northern and Eastern … D Stoianova, V Evtimova, L Kenderov, ED Varadinova, MY Kerakova, ... Acta Zoologica Bulgarica 70 (3), 415, 2018 | 5 | 2018 |
| First records of the black bullhead Ameiurus melas (Rafinesque, 1820) along the Bulgarian section of the Danube River L Pehlivanov, T Stefanov, M Todorov, Y Kutsarov, T Trichkova Proceedings of the 41st International Association for Danube Research (IAD …, 2016 | 5 | 2016 |
| Invasive Alien Species of Benthic Macroinvertebrates and Fish in the Bulgarian Sector of the Danube River—Results of the Joint Danube Survey 4 (JDS4) T Trichkova, M Todorov, M Kenderov, Z Hubenov, I Botev, T Stefanov, ... Water 14 (15), 2299, 2022 | 4 | 2022 |
| Alien parasites on an alien fish species: monogeneans from the black bullhead Ameiurus melas (Siluriformes) in the Lake Srebarna Biosphere Reserve, Bulgaria, with the first … N Vancheva, A Bobeva, L Pehlivanov, T Stefanov, BB Georgiev Parasitology Research 119, 2105-2112, 2020 | 4 | 2020 |
