RNDr. Radim Blažek , Ph.D.

Position: post-doc
Research topics: evolutionary ecology of annual fish
Department: Research facility Brno
Phone: +420 543 422 527
E-mail: demonsci.muni.cz

Research interests

  • evolutionary ecology of African annual Nothobranchius fish,
  • fish and their parasite diversity in African freshwater habitats.


  • 1995-2000: undergraduate study - Masaryk University, Faculty of Sciences, Systematic Biology and Ecology. Master thesis: Seasonal dynamics in distribution of glochidia (Mollusca) in populations of fishes in South Bohemia, Czech Republic.
  • 2000-2008: Ph.D. study - Masaryk University, Faculty of Sciences, Parasitology. Ph.D. thesis: Occurrence and distribution of metazoan parasites within communities of host fish.


  • 2003-present: Department of Botany and Zoology, Masaryk University, Brno (January 2011 – recent, part time contract) - research and development worker,
  • 2011-present: Institute of Vertebrate Biology, Academy of Sciences of the Czech Republic, Brno - postdoctoral position.



Blažek R., Polačik M., Smith C., Honza M., Meyer A., Reichard M.: Success of cuckoo catfish brood parasitism reflects coevolutionary history and individual experience of their cichlid hosts, Science Advances 4 (2018) .

Reichard M., Lanés L. E. K., Polačik M., Blažek R., Vrtílek M., Godoy R. S., Maltchik L.: Avian predation mediates size-specific survival in a Neotropical annual fish: a field experiment, Biological Journal of the Linnean Society 124 (2018) 56-66.

Vrtílek M., Žák J., Polačik M., Blažek R., Reichard M.: Longitudinal demographic study of wild populations of African annual killifish, Scientific Reports 8 (2018) .


Blažek R., Polačik M., Reichard M.: Rasches Wachstum, frühe Reifung und kurze Generationenzeit bei afrikanischen annuellen Fischen., DKG Journal 49 (2017) 131-141.

Blažek R., Polačik M., Kačer P., Cellerino A., Řežucha R., Methling C., Tomášek O., Syslová K., Terzibasi Tozzini E., Albrecht T., Vrtílek M., Reichard M.: Repeated intraspecific divergence in life span and aging of African annual fishes along an aridity gradient, Evolution 71 (2017) 386-402.

Francová K., Seifertová M., Blažek R., Gelnar M., Mahmoud Z. N., Řehulková E.: Quadriacanthus species (Monogenea: Dactylogyridae) from catfishes (Teleostei: Siluriformes) in eastern Africa: new species, new records and first insights into interspecific genetic relationships, Parasites & Vectors 10 (2017) .

Nezhybová V., Reichard M., Blažek R., Ondračková M.: Metazoan parasites of African annual killifish (Nothobranchiidae): abundance, diversity, and their environmental correlates, Biotropica 49 (2017) 229-238.

Reichard M., Janáč M., Polačik M., Blažek R., Vrtílek M.: Community assembly in Nothobranchius annual fishes: nested patterns, environmental niche and biogeographic history, Ecology and Evolution 7 (2017) 2294-2306.

Reichard M., Blažek R., Polačik M., Vrtílek M.: Hatching date variability in wild populations of four coexisting species of African annual fishes, Developmental Dynamics 246 (2017) 827-837.


Lanés L. E. K., Godoy R. S., Maltchik L., Polačik M., Blažek R., Vrtílek M., Reichard M.: Seasonal dynamics in community structure, abundance, body size and sex ratio in two species of Neotropical annual fishes, Journal of Fish Biology 89 (2016) 2345-2364.

Polačik M., Blažek R., Reichard M.: Laboratory breeding of the short-lived annual killifish Nothobranchius furzeri, Nature Protocols 11 (2016) 1396-1413.


Bartáková V., Reichard M., Blažek R., Polačik M., Bryja J.: Terrestrial fishes: rivers are barriers to gene flow in annual fishes from the African savanna, Journal of Biogeography 42 (2015) 1832-1844.

Dvořáková N., Čepička I., Qablan M. A., Gibson W., Blažek R., Široký P.: Phylogeny and morphological variability of trypanosomes from African pelomedusid turtles with redescription of Trypanosoma mocambicum Pienaar, 1962, Protist 166 (2015) 599-608.

Kičinjaová M. L., Blažek R., Gelnar M., Řehulková E.: Annulotrema (Monogenea: Dactylogyridae) from the gills of African tetras (Characiformes: Alestidae) in Lake Turkana, Kenya, with descriptions of four new species and a redescription of A. elongata Paperna and Thurston, 1969, Parasitology Research 114 (2015) 4107-4120.

Polačik M., Jurajda P., Blažek R., Janáč M.: Carcass feeding as a cryptic foraging mode in round goby Neogobius melanostomus, Journal of Fish Biology 87 (2015) 194-199.

Reichard M., Douda K., Przybylski M., Popa O. P., Karbanová E., Matasová K., Rylková K., Polačik M., Blažek R., Smith C.: Population-specific responses to an invasive species, Proceedings of the Royal Society. B - Biological Sciences 282 (2015) 167-174.


Polačik M., Harrod C., Blažek R., Reichard M.: Trophic niche partitioning in communities of African annual fish: evidence from stable isotopes, Hydrobiologia 721 (2014) 99-106.

Polačik M., Blažek R., Řežucha R., Vrtílek M., Terzibasi Tozzini E., Reichard M.: Alternative intrapopulation life-history strategies and their trade-offs in an African annual fish, Journal of Evolutionary Biology 27 (2014) 854-865.

Reichard M., Polačik M., Blažek R., Vrtílek M.: Female bias in the adult sex ratio of African annual fishes: interspecific differences, seasonal trends and environmental predictors, Evolutionary Ecology 28 (2014) 1105-1120.


Bartáková V., Reichard M., Janko K., Polačik M., Blažek R., Reichwald K., Cellerino A., Bryja J.: Strong population genetic structuring in an annual fish, Nothobranchius furzeri, suggests multiple savannah refugia in southern Mozambique, BMC Evolutionary Biology 13 (2013) 196.

Blažek R., Polačik M., Reichard M.: Rapid growth, early maturation and short generation time in African annual fishes, EvoDevo 4 (2013) 24.

Terzibasi Tozzini E., Dorn A., Ng’oma E., Polačik M., Blažek R., Reichwald K., Petzold A., Watters B. R., Reichard M., Cellerino A.: Parallel evolution of senescence in annual fishes in response to extrinsic mortality, BMC Evolutionary Biology 13 (2013) 77.


Blažek R., Ondračková M., Vošlajerová Bímová B., Vetešník L., Petrášová I., Reichard M.: Fish diversity in the Niokolo Koba National Park, middle Gambia River basin, Senegal, Ichthyological Exploration of Freshwaters 23 (2012) 263-272.

Přikrylová I., Blažek R., Vanhove M. P. M.: An overview of the Gyrodactylus (Monogenea: Gyrodactylidae) species parasitizing African catfishes, and their morphological and molecular diversity, Parasitology Research 110 (2012) 1185-1200.


Dávidová M., Blažek R., Trichkova T., Koutrakis E., Gaygusuz Ö., Ercan E., Ondračková M.: The role of the European bitterling (Rhodeus amarus, Cyprinidae) in parasite accumulation and transmission in riverine ecosystems, Aquatic Ecology 45 (2011) 377-387.