Ing. Lukáš Vetešník Ph.D.

Position full-time researcher
Direction fish ecology

+420 543 422 533

Research interests

  • ichthyology, ecology, reproduction of fish,
  • reproduction and hematology of di- and triploid specimens of silver prussian carp,
  • morphology of Cypriniformes hybrids.

Running Projects

Innovative methods of monitoring the genetic integrity and biological condition of crucian carp under conditions of threat from the invasive activity of gibel carp (2025–2028)

Education

  • 1996-2001: undergraduate study – Mendel University of Agriculture and Forestry in Brno, specialization fishery. Thesis: Production effect of feeding mixtures with distillers grains additive for fry carp.
  • 2001–2005: Ph.D. study – Department of Fisheries and Hydrobiology MZLU and Department of Ichthyology, Institute of Vertebrate Biology AS CR, Brno. Thesis: Biological characteristic of silver prussian carp (Carassius auratus) under the aspect of different ploidy level between individuals.

Employment

  • 2001–present: Institute of Vertebrate Biology AS CR, Brno – researcher.

Publications and Applied outputs

2025

Benovics M, Seidlová L, Papežík P, Seifertová M, Nejat F, Vetešník L, Voříšková K, Šimková A (2025). Population genetic structure of Dactylogyrus vistulae, a gill parasite of cyprinoid fish in the Western Palearctic. International Journal for Parasitology, :.
Marešová E, Halačka K, Vetešník L, Mendel J (2025). Genetická analýza pstruha obecného v CHKO Brdy aneb jsou Brdy na jedno brdo?. Ochrana přírody, 80: 34-37.
Ondračková M, Tkachenko M, Vetešník L, Hronek J, Janáč M (2025). Distribution and host range of a highly invasive parasitic copepod. Hydrobiologia, 852: 2221-2239.
Ondračková M, Valigurová A, Hodová I, Bartáková V, Tkachenko M, Janáč M, Vetešník L (2025). Diplostomum-induced sac formation in lenses of Ameiurus bullheads: A host defence response?. Journal of Fish Diseases, :.
Valigurová A, Hodová I, Vetešník L, Šimková A (2025). Histoarchitecture of the liver and spleen in the interspecific hybrids of common carp (Cyprinus carpio) and gibel carp (Carassius gibelio). Journal of Vertebrate Biology, 74: 24098.

2024

Fuad MMH, Tichopád T, Ondračková M, Civáňová Křížová K, Seifertová M, Voříšková K, Demko M, Vetešník L, Šimková A (2024). Trematode Diplostomum pseudospathaceum inducing differential immune gene expression in sexual and gynogenetic gibel carp (Carassius gibelio): parasites facilitating the coexistence of two reproductive forms of the invasive species. Frontiers in Immunology, 15: 1392569.
Halačka K, Vetešník L, Merta L, Muška M (2024). Výsledky monitoringu pontokaspických druhů ryb v letech 2019–2023. Příroda, 44: 75-85.
Jacques F, Tichopád T, Demko M, Bystrý V, Civáňová Křížová K, Seifertová M, Voříšková K, Fuad MMH, Vetešník L, Šimková A (2024). Reproduction-associated pathways in females of gibel carp (Carassius gibelio) shed light on the molecular mechanisms of the coexistence of asexual and sexual reproduction. BMC Genomics, 25: 548.
Pakosta T, Vetešník L, Janáč M, Hyršl P, Šimková A (2024). Vigour-related traits of gibel carp (Carassius gibelio): do they represent reproduction-associated costs facilitating the coexistence of asexual and sexual forms?. Journal of Vertebrate Biology, 73: 24005.
Šimková A, Křížová KC, Voříšková K, Vetešník L, Hejret V, Gettová L, Vorel J, Reslová N, Bystrý V (2024). Heterosis versus breakdown in cyprinid hybrids associated with SVCV infection revealed by transcriptome profile analysis of head kidney. Aquaculture, 578: 740083.
Vetešník L, Pojezdal Ľ, Reschová S, Šimková A (2024). Specific anti-SVCV antibodies in hybrids of common carp (Cyprinus carpio) and gibel carp (Carassius gibelio) reflect heterosis advantage and genetic breakdown. Aquaculture, 593: 741320.

2023

Dedić N, Vetešník L, Šimková A (2023). Monogeneans in intergeneric hybrids of leuciscid fish: Is parasite infection driven by hybrid heterosis, genetic incompatibilities, or host-parasite coevolutionary interactions?. Frontiers in Zoology, 20: 5.
Halačka K, Janko K, Fedorčák J, Koščo J, Vetešník L (2023). Effect of heparin as an anticoagulant on measurements of the erythrocyte genome size using flow cytometry in bony fishes of different ploidy. Acta veterinaria Brno, 92: 171-179.
Ondračková M, Seifertová M, Tkachenko M, Vetešník L, Liu H, Demchenko V, Kvach Y (2023). The parasites of a successful invader: monogeneans of the Asian topmouth gudgeon Pseudorasbora parva, with description of a new species of Gyrodactylus. Parasite, 30: 22.
Šimková A, Civáňová Křížová K, Voříšková K, Vetešník L, Bystrý V, Demko M (2023). Transcriptome profile analyses of head kidney in roach (Rutilus rutilus), common bream (Abramis brama) and their hybrids: Does infection by monogenean parasites in freshwater fish reveal differences in fish vigour among parental species and their hybrids?. Biology, 12:1205 1199.

2022

Dyková I, Palíková M, Vetešník L (2022). Intraerythrocytic Mycoplasma-like organism diagnosed ultrastructurally as an agent of anaemia in laboratory-reared cyprinid hybrids. Diseases of Aquatic Organisms, 152: 159-168.
Li F, Smith C, Kawamura K, Vetešník L, Arai R, Reichard M (2022). Unusual egg shape diversity in bitterling fishes. Ecology, 103: e3816.
Šimková A, Civáňová K, Vetešník L (2022). Heterosis versus breakdown in fish hybrids revealed by one-parental species-associated viral infection. Aquaculture, 546: 737406.

2021

Fuad MMH, Vetešník L, Šimková A (2021). Is gynogenetic reproduction in gibel carp (Carassius gibelio) a major trait responsible for invasiveness?. Journal of Vertebrate Biology, 70: 21049.
Halačka K, Janko K, Vetešník L (2021). Non-invasive ploidy determination in live fish by measuring erythrocyte size in capillaries. Acta Ichthyologica et Piscatoria, 51: 275-280.
Šimková A, Janáč M, Hyršl P, Krasnovyd V, Vetešník L (2021). Vigour-related traits and immunity in hybrids of evolutionary divergent cyprinoid species: advantages of hybrid heterosis?. Journal of Fish Biology, 98: 1155-1171.
Šimková A, Gettová L, Civáňová K, Seifertová M, Janáč M, Vetešník L (2021). Diversity of MHC IIB genes and parasitism in hybrids of evolutionarily divergent cyprinoid species indicate heterosis advantage. Scientific Reports, 11: 16860.

2020

Krasnovyd V, Vetešník L, Šimková A (2020). Distribution of host-specific parasites in hybrids of phylogenetically related fish: the effects of genotype frequency and maternal ancestry?. Parasites & Vectors, 13: 402.
Lusk S, Halačka K, Vetešník L, Lusková V, Hanel L (2020). Třicet let od ukončení projektu „Vodohospodářská výstavba jižní Moravy“ (1989–2019). Lampetra. Bulletin pro výzkum a ochranu biodiverzity vodních toků, 9: 81-1361210 .
Tichopád T, Vetešník L, Šimková A, Rodina M, Franěk R, Pšenička M (2020). Spermatozoa morphology and reproductive potential in F1 hybrids of common carp (Cyprinus carpio) and gibel carp (Carassius gibelio). Aquaculture, 521: 735092.

2019

Halačka K, Mareš J, Vetešník L, Blabolil P (2019). Application of the alizarin red S mass marking technique and its detection in stocked asp (Leuciscus aspius). Biologia, 74: 1359-1362.
Halačka K, Vetešník L, Muška M (2019). Charakteristika populací vybraných evropsky významných druhů ryb na území České republiky. Příroda, 39: 55-66.

2018

Fedorčák J, Pekárik L, Halačka K, Šmiga Ľ, Manko P, Hajdú J, Vetešník L, Koščo J (2018). Microhabitat preferences of triploid Cobitis fish and diploid progenitors in two streams in Slovakia (Danube River Basin). Limnologica, 69: 59-66.
Pakosta T, Vetešník L, Šimková A (2018). A Long temporal study of parasitism in asexual-sexual populations of Carassius gibelio: Does the parasite infection support coevolutionary Red Queen dynamics?. BioMed Research International, 2018: 6983740.

2017

Halačka K, Muška M, Mendel J, Vetešník L (2017). A newly discovered population of the Balkan spiny loach Sabanejewia balcanica (Karaman, 1922) in the River Jihlava, Czech Republic. Folia zoologica, 66: 163-166.
Krasnovyd V, Vetešník L, Gettová L, Civáňová K, Šimková A (2017). Patterns of parasite distribution in the hybrids of non-congeneric cyprinid fish species: is asymmetry in parasite infection the result of limited coadaptation?. International Journal for Parasitology, 47: 471-483.
Lusk S, Halačka K, Májsky J, Vetešník L, Mendel J (2017). Sekavčík balkánský (Sabanejewia balcanica) v České republice – minulost, současnost a budoucnost. Lampetra. Bulletin pro výzkum a ochranu biodiverzity vodních toků, 8: 90-1021210 .

2016

Stierandová S, Vukic J, Vasil'eva ED, Zogaris S, Shumka S, Halačka K, Vetešník L, Švátora M, Nowak M, Stefanov T, Koščo J, Mendel J (2016). A multilocus assessment of nuclear and mitochondrial sequence data elucidates phylogenetic relationships among European spirlins (Alburnoides, Cyprinidae). Molecular Phylogenetics and Evolution, 94: 479-491.

2015

Šimková A, Vojtek L, Halačka K, Hyršl P, Vetešník L (2015). The effect of hybridization on fish physiology, immunity and blood biochemistry: A case study in hybridizing Cyprinus carpio and Carassius gibelio (Cyprinidae). Aquaculture, 435: 381-389.
Šimková A, Hyršl P, Halačka K, Vetešník L (2015). Physiological and condition-related traits in the gynogenetic-sexual Carassius auratus complex: different investments promoting the coexistence of two reproductive forms?. BMC Evolutionary Biology, 15: 154.

2014

Vítek T, Halačka K, Bartoňová-Marešová E, Vetešník L, Spurný P (2014). Identification of natural hybrids between Cottus poecilopus, Heckel, 1837, and Cottus gobio, Linnaeus, 1758, at a hybrid zone on the Svratka River (Czech Republic). Journal of Applied Ichthyology, 30: 102-108.

2013

Šimková A, Dávidová M, Papoušek I, Vetešník L (2013). Does interspecies hybridization affect the host specificity of parasites in cyprinid fish?. Parasites & Vectors, 6: 95.
Šimková A, Košař M, Vetešník L, Vyskočilová M (2013). MHC genes and parasitism in Carassius gibelio, a diploid-triploid fish species with dual reproduction strategies. BMC Evolutionary Biology, 13: 122.
Vetešník L, Halačka K, Šimková A (2013). The effect of ploidy and temporal changes in the biochemical profile of gibel carp (Carassius gibelio): a cyprinid fish species with dual reproductive strategies. Fish Physiology and Biochemistry, 39: 171-180.

2012

Baruš V, Šimková A, Prokeš M, Peňáz M, Vetešník L (2012). Heavy metals in two host-parasite systems: tapeworm vs. fish. Acta veterinaria Brno, 81: 313-317.
Blažek R, Ondračková M, Vošlajerová Bímová B, Vetešník L, Petrášová I, Reichard M (2012). Fish diversity in the Niokolo Koba National Park, middle Gambia River basin, Senegal. Ichthyological Exploration of Freshwaters, 23: 263-2721210 .
Halačka K, Vítek T, Vetešník L, Spurný P (2012). Epidermis structure and blood parameter differences between sculpin Cottus gobio and Siberian sculpin Cottus poecilopus from the Morava watershed. Folia zoologica, 61: 9-16.
Mendel J, Papoušek I, Marešová E, Vetešník L, Halačka K, Nowak M, Čížková D (2012). Permanent Genetic Resources added to Molecular Ecology Resources Database 1 April 2012 – 31 May 2012. Molecular Ecology Resources, 12: 972-974.

2011

Prchalová M, Horký P, Slavík O, Vetešník L, Halačka K (2011). Fish occurrence in the fishpass on the lowland section of the River Elbe, Czech Republic, with respect to water temperature, water flow and fish size. Folia zoologica, 60: 104-114.

2010

Halačka K, Vetešník L, Papoušek I, Mendel J, Šimková A (2010). The epidermal structure of Carassius gibelio: a link with ploidy status in spawning and postspawning periods. Journal of Fish Biology, 77: 2171-2179.
Halačka K, Vetešník L, Mendel J, Papoušek I (2010). Can spawning marks on females of the spined loach (Cobitis sp., Teleostei) be caused by scratches from males during mating?. Folia zoologica, 59: 329-331.
Lusková V, Lusk S, Halačka K, Vetešník L (2010). Carassius auratus gibelio—the most successful invasive fish in waters of the Czech Republic. Russian Journal of Biological Invasions, 1: 176-180.

2009

Vetešník L, Halačka K, Papoušek I, Mendel J, Šimková A (2009). The first record of a natural hybrid of the roach Rutilus rutilus and nase Chondrostoma nasus in the Danube River Basin, Czech Republic: morphological, karyological and molecular characteristics. Journal of Fish Biology, 74: 1669-1676.
Vetešník L, Halačka K, Papoušek I, Mendel J, Šimková A (2009). The first record of a natural hybrid of the roach Rutilus rutilus and nase Chondrostoma nasus in the Danube River Basin, Czech Republic: morphological, karyological and molecular characteristics. Journal of Fish Biology, 74: 1669-1676.

2008

Bartoňová E, Papoušek I, Lusková V, Koščo J, Lusk S, Halačka K, Švátora M, Vetešník L (2008). Genetic diversity and taxonomy of Sabanejewia balcanica (Osteichthyes: Cobitidae) in the waters of the Czech Republic and Slovakia. Folia zoologica, 57: 60-70.
Bartoňová E, Papoušek I, Lusková V, Koščo J, Lusk S, Halačka K, Švátora M, Vetešník L (2008). Genetic diversity and taxonomy of Sabanejewia balcanica (Osteichthyes: Cobitidae) in the waters of the Czech Republic and Slovakia. Folia zoologica, 57: 60-70.
Flajšhans M, Rodina M, Halačka K, Vetešník L, Gela D, Lusková V, Lusk S (2008). Characteristics of sperm of polyploid Prussian carp Carassius gibelio. Journal of Fish Biology, 73: 323-328.
Flajšhans M, Rodina M, Halačka K, Vetešník L, Gela D, Lusková V, Lusk S (2008). Charakteristika spermatu polyploidního karase stříbřitého, Carassius gibelio. Bulletin VÚRH Vodňany, 44: 78-81.
Mendel J, Lusk S, Koščo J, Vetešník L, Halačka K, Papoušek I (2008). Genetic diversity of Misgurnus fossilis populations from the Czech Republic and Slovakia. Folia zoologica, 57: 90-99.
Mendel J, Lusk S, Koščo J, Vetešník L, Halačka K, Papoušek I (2008). Genetic diversity of Misgurnus fossilis populations from the Czech Republic and Slovakia. Folia zoologica, 57: 90-99.
Mendel J, Lusk S, Vasil'eva ED, Vasil'ev VP, Lusková V, Ekmekci FG, Erk'kan F, Ruchin A, Koščo J, Vetešník L, Halačka K, Šanda R, Pashkov AN, Reshetnikov SI (2008). Molecular phylogeny of the genus Gobio Cuvier, 1816 (Teleostei: Cyprinidae) and its contribution to taxonomy. Molecular Phylogenetics and Evolution, 47: 1061-1075.
Papoušek I, Vetešník L, Halačka K, Lusková V, Humpl M, Mendel J (2008). Identification of natural hybrids of gibel carp Carassius auratus gibelio (Bloch) and crucian carp Carassius carassius (L.) from lower Dyje River floodplain (Czech Republic). Journal of Fish Biology, 72: 1230-1235.

2007

Halačka K, Vetešník L, Lusk S, Mendel J, Papoušek I (2007). The X1X1X2X2/X1X2Y multiple sex chromosome system in the Zingel zingel (Pisces: Perciformes) from the Morava River (Czech Republic). Caryologia, 60: 222-225.
Vetešník L, Papoušek I, Halačka K, Lusková V, Mendel J (2007). Morphometric and genetic analysis of the Carassius auratus complex from an artificial wetland in Morava River floodplain, Czech Republic. Fisheries Science, 73: 817-822.

2006

Prchalová M, Vetešník L, Slavík O (2006). Migrations of juvenile and subadult fish through a fishpass during late summer and fall. Folia zoologica, 55: 162-166.
Vetešník L, Halačka K, Lusková V, Lusk S (2006). Erythrocyte profile of diploid and triploid silver crucian carp (Carassius auratus). Acta veterinaria Brno, 75: 203-207.

2005

Mendel J, Lusková V, Halačka K, Lusk S, Vetešník L (2005). Genetic diversity of Gobio gobio populations in the Czech Republic and Slovakia, based on RAPD markers. Folia zoologica, 54: 13-24.

2004

Lusk S, Halačka K, Lusková V, Vetešník L (2004). Re-occurrence of Zingel streber (Teleostei: Pisces) in the Czech Republic. Folia zoologica, 53: 417-422.
Lusková V, Halačka K, Vetešník L, Lusk S (2004). Changes of ploidy and sexuality status of "Carassius auratus" populations in the drainage area of the River Dyje (Czech Republic). Ecohydrology & Hydrobiology, 4: 165-171.
Vetešník L, Lusk S, Halačka K, Spurný P (2004). Morphometric characteristics and growth of Carassius auratus in the lower part of the River Dyje (Czech Republic). Ecohydrology & Hydrobiology, 4: 215-221.
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