IMSI

Menu
Menu

Research Professor

Željka Višnjić Jeftić

Phd in Biological Sciences

Department of Biodiversity and Environmental Research

Contact:

Address:

Kneza Višeslava 1

Telephone:

(+381) 11 2078 477

E-Mail:

zvisnjic@imsi.rs

zvisnjic@imsi.bg.ac.rs

Links:

ORCID ID: 0000-0002-8206-2138

Scopus ID: 29567693400

Research area

  • Ichthyology,
  • Migratory species,
  • Heavy metals in the environment,
  • accumulation of heavy metals and trace elements in fish tissues
  • analysis of microplastics and mesoplastics in the digestive tract and gills of fish

Skills

  • ICP,
  • GCMS,
  • Statistica
Work experience:
  • 2025–present: Principal Research Fellow
  • 2018–2025: Senior Research Associate, Institute for Multidisciplinary Research, University of Belgrade
  • 2013-2018: Research Fellow, Institute for Multidisciplinary Research, University of Belgrade.
  • 2008-2013: Research Assistant, Institute for Multidisciplinary Research, University of Belgrade.
  • 2005–2008: Junior Research Assistant, Institute for Multidisciplinary Research, University of Belgrade
Education:
  1. 2012: Ph.D., Faculty of Biology, University of Belgrade. Ph.D. thesis: “Ecological and toxicological study of the Pontic shad (Alosa immaculata Bennett, 1835) in the Danube River in Serbia”.
  2. 2002: B.Sc. in Ecology and Environmental Protection, Faculty of Biology, University of Belgrade.
Awards and certificates:
  • 2003-2005: Scholarship of the Ministry of Science, Republic of Serbia
Other professional activities
  • 2021–2025: Participation in theoretical and practical teaching in the course Fish Ecology at master academic studies (modules Ecology and Ecology and Conservation Biology of Fish), as well as at doctoral studies within the Ecology program (Hydroecology module) at the Faculty of Biology, University of Belgrade.
Memberships:
  • Serbian Toxicological Society
  • Serbian biological society
Reviewer’s activity:

Environmental Science and Pollution Research, Chemosphere, Aquatic Ecology, Turkish Journal of Fisheries and Aquatic Sciences, MDPI-Fishes, MDPI-Life.

National Projects:
  1. Fish as bioindicators of the quality status of open waters in Serbia (OI 173045), Ministry of Education, Science and Technological Development, 2011–2019.
  2. Measurement and modeling of physical, chemical, biological and morphodynamic parameters of rivers and water reservoirs (TR 37009), Ministry of Science and Technological Development, Ministry of Education and Science, 2011–2019.
  3. Fishery resources in the Danube and Sava Rivers in the territory of Belgrade – status, valorization, development of monitoring programs, City Administration of Belgrade – Secretariat for Environmental Protection, 2012–2013.
  4. Research on diversity, protection and sustainable use of fish fauna, as important components for the development of an integrated water resource management strategy in Serbia (OI 143045), Ministry of Science and Technological Development, Ministry of Education and Science, 2006–2010.
International Scientific Research Projects:
  1. DANUBE4all – Restoration of the Danube River Basin Waters for Ecosystem and People from Mountains to Coast. [HORIZON-MISS-2021-OCEAN-02-02] – [DANUBE4all], 2023–present.
  2. Danubelifelines – Action for the implementation of the Mission Restore our ocean and waters by 2030. [HORIZON-MISS-2021-OCEAN-01-02] – HORIZON Innovation Action, 2025–present.
  3. MEASURES – Managing and restoring aquatic EcologicAl corridors for migratory fiSh species in the danUbe RivEr baSin – DTP2-038-2.3, Interreg Programme, Danube Transnational Project, 2018–2020.
  4. FITFISH – Swimming of fish and implications for migration and aquaculture, COST Action (European Cooperation in Science and Technology) FA1304, 2014–2018.
  5. Harmonization of methods for monitoring qualitative and quantitative composition of fish populations in large rivers (680-00-140/2012-09/02), Ministry of Education, Science and Technological Development, Slovak Academy of Sciences, 2012–2013.
  6. Compilation of geo-referenced distribution data of Serbian freshwater fishes – BioFresh Project, EU, 2012–2013.
  7. NETLAKE – Network Lake Observations in Europe, COST Action ES1201, EU, 2012–2016.
  8. Sustainable use of sterlet and development of sterlet aquaculture in Serbia and Hungary, IPA project, European Agency for Reconstruction, 2007–2008.
  9. Management of freshwater fisheries on bordering rivers – pilot study with a holistic regional approach, Ministry of Foreign Affairs, Norway, 2003–2005.
  1. Visnjić-Jeftić, Ž., Jarić, I., Jovanović, Lj., Skorić, S., Smederevac-Lalić, M., Nikčević, M. and Lenhardt, M. (2010). Heavy metal and trace element accumulation in muscle, liver and gills of the Pontic shad (Alosa immaculata Bennet, 1835) from the Danube River (Serbia). Microchemical Journal, 95 (2), 341-344.
  2. Jarić, I., Višnjić-Jeftić, Ž., Cvijanović, G., Gačić, Z., Jovanović, Lj., Skorić, S. and Lenhardt, M. (2011). Determination of differential heavy metal and trace element accumulation in liver, gills, intestine and muscle of sterlet (Acipenser ruthenus) from the Danube River in Serbia by ICP-OES. Microchemical Journal, 98, 77-81.
  3. Smederevac-Lalić, M., Kalauzi, A., Regner, S., Navodaru, I., Višnjić-Jeftić, Ž., Gačić, Z. and Lenhardt, M. (2018). Analysis and forecast of Pontic shad (Alosa immaculata) catch in the Danube River. Iranian Journal of Fisheries Science 17 (3), 443-457.
  4. Sunjog, K., Kolarević, S., Kračun-Kolarević, M., Višnjić-Jeftić, Ž., Gačić, Z., Lenhardt, M. and Vuković-Gačić, B. (2019). Seasonal variation in metal concentration in various tissues of the European chub (Squalius cephalus L.). Environmental Science and Pollution Research, 26: 9232–9243.
  5. Subotić, S., Višnjić-Jeftić, Ž., Đikanović, V., Spasić, S., Krpo-Ćetković, J. and Lenhardt, M. (2019). Metal Accumulation in Muscle and Liver of the Common Nase (Chondrostoma nasus) and Vimba Bream (Vimba vimba) from the Danube River, Serbia: Bioindicative Aspects. Bulletin of Environmental Contamination and Toxicology 103(2): 261–266.
  6. Subotić, S., Višnjić-Jeftić, Ž., Bojović, S., Đikanović, V., Krpo-Ćetković, J. and Lenhardt, M. (2021). Seasonal variation of macro-, micro-, and toxic elements in tissues of vimba bream (Vimba vimba) from the Danube River near Belgrade, Serbia. Environmental Science and Pollution Research 28, 63087-63101.
  7. Radonjić, M., Subotić, S., Višnjić-Jeftić, Ž., Mrdak, D. and Ćirović, D. (2023). Assessment of macro-, trace- and toxic elements in Small Indian mongoose, Herpestes auropunctatus (Hodgson, 1836), from Montenegro: potential use for biomonitoring. Environmental Science Pollution Research, 30, 60514–60523. https://doi.org/10.1007/s11356-023-26885-7.
  8. Milica Jaćimović and Željka Višnjić Jeftić (2024). Threat factors for fish in Serbia. Red Book of the Fauna of Serbia V – Fish. Publisher: University of Belgrade – Faculty of Biology, Institute for Nature Conservation of Serbia and Institute for Multidisciplinary Research – University of Belgrade. pp. 91–127, (Editors: Aleksandar Hegediš and Jasmina Krpo-Ćetković). ISBN 978-86-80877-86-0.
  9. Željka Višnjić Jeftić (2024). “Review of endangered fish species in the fauna of Serbia – Acipenser stellatus (stellate sturgeon)”. Red Book of the Fauna of Serbia V – Fish. Publisher: University of Belgrade – Faculty of Biology, Institute for Nature Conservation of Serbia and Institute for Multidisciplinary Research – University of Belgrade, pp. 173–177, (Editors: Aleksandar Hegediš and Jasmina Krpo-Ćetković). ISBN 978-86-80877-86-0.
  10. Željka Višnjić Jeftić (2024). “Review of endangered fish species in the fauna of Serbia – Alosa immaculata (Pontic shad)”. Red Book of the Fauna of Serbia V – Fish. Publisher: University of Belgrade – Faculty of Biology, Institute for Nature Conservation of Serbia and Institute for Multidisciplinary Research – University of Belgrade, pp. 182–186, (Editors: Aleksandar Hegediš and Jasmina Krpo-Ćetković). ISBN 978-86-80877-86-0.
  11. Željka Višnjić Jeftić (2024). “Review of endangered fish species in the fauna of Serbia – Oxynoemacheilus bureschi (Strumica loach)”. Red Book of the Fauna of Serbia V – Fish. Publisher: University of Belgrade – Faculty of Biology, Institute for Nature Conservation of Serbia and Institute for Multidisciplinary Research – University of Belgrade, pp. 244–247, (Editors: Aleksandar Hegediš and Jasmina Krpo-Ćetković). ISBN 978-86-80877-86-0. M44=2
  12. Željka Višnjić Jeftić (2024). “Review of endangered fish species in the fauna of Serbia – Alosa tanaica (Azov shad)”. Red Book of the Fauna of Serbia V – Fish. Publisher: University of Belgrade – Faculty of Biology, Institute for Nature Conservation of Serbia and Institute for Multidisciplinary Research – University of Belgrade, pp. 383–386, (Editors: Aleksandar Hegediš and Jasmina Krpo-Ćetković). ISBN 978-86-80877-86-0.
Scroll to Top