Lernaea cf. cyprinacea infection in agile frog (Rana dalmatina) tadpoles in Hungary

Varga, Ádám and Demény, Ferenc Zoltán and Weiperth, András and Ferincz, Árpád and Kucska, Balázs and Urbányi, Béla and Müller, Tamás (2024) Lernaea cf. cyprinacea infection in agile frog (Rana dalmatina) tadpoles in Hungary. ACTA VETERINARIA HUNGARICA, 72 (3). pp. 195-198. ISSN 0236-6290

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Abstract

The ectoparasitic copepod Lernaea cyprinacea (anchor worm) has more than 100 host species among teleost fishes and affects cyprinids both in fish farms and natural waters. In addition, while L. cyprinacea infection in amphibians has been recorded in Asia, North and South America, there is no data available in the literature on their presence in Europe. In this study, we first reported L. cf. cyprinacea parasitising an anuran tadpole in Europe. Specimens of L. cf. cyprinacea were observed attached to a tadpole of the agile frog (Rana dalmatina), which was caught during fishing of crucian carp fingerlings (Carassius carassius) from a small fish pond in Hungary during the summer of 2012. The infected tadpole was collected from a rearing pond, where juvenile crucian carps were kept. The tadpole was inspected in the laboratory, and digital photos were taken. The parasites were found attached to the body-tail junction and to the leg of the tadpole (at Gosner stage 41). The parasite species was identified as L. cf. cyprinacea based on morphological traits.

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