<abstract xmlns="http://www.w3.org/1999/xhtml">

<p>Taxonomic evaluations are needed to accurately determine the host selection of fish parasites. The present study is a multidisciplinary research in the field of basic and fish diseases sciences. The description of the hybrid species of <italic>Squalius orientalis</italic> and <italic>Alburnus derjugini</italic> and infection of <italic>Ligula intestinalis</italic> in these hybrid fish were reported for the first time from the Kürtün Dam Lake in northeast Turkey. A total of 450 fish were sampled in March, August, and October in 2020 using gillnets. Detailed morphological characteristics (n = 24) were compared to determine the difference among ancestors and hybrid species. The prevalence of <italic>L. intestinalis</italic> between the sampling periods and the size groups of fish (0 – 10, 11 – 15, and ≥16 cm in length) were examined. Moreover, the highest prevalence of the parasite was observed in October (78.94 %), with a size range of 0 – 10 cm in length (77.8 %). In addition, the total prevalence of the parasite was 48.44 %. The results revealed that most of the diagnostic metric and meristic features of hybrid fish were ranging between the data of <italic>S. orientalis</italic> and <italic>A. derjugini</italic>. According to previous reports, when hybrid individuals were compared with their ancestors in terms of prevalence, hybrid individuals were more susceptible to <italic>L. intestinalis</italic> infections. This study was unique as it provided the first record of <italic>L. intestinalis</italic> in a hybrid fish population.</p></abstract>

Taxonomic evaluations are needed to accurately determine the host selection of fish parasites. The present study is a multidisciplinary research in the field of basic and fish diseases sciences. The description of the hybrid species of Squalius orientalis and Alburnus derjugini and infection of Ligula intestinalis in these hybrid fish were reported for the first time from the Kürtün Dam Lake in northeast Turkey. A total of 450 fish were sampled in March, August, and October in 2020 using gillnets. Detailed morphological characteristics (n = 24) were compared to determine the difference among ancestors and hybrid species. The prevalence of L. intestinalis between the sampling periods and the size groups of fish (0 – 10, 11 – 15, and ≥16 cm in length) were examined. Moreover, the highest prevalence of the parasite was observed in October (78.94 %), with a size range of 0 – 10 cm in length (77.8 %). In addition, the total prevalence of the parasite was 48.44 %. The results revealed that most of the diagnostic metric and meristic features of hybrid fish were ranging between the data of S. orientalis and A. derjugini. According to previous reports, when hybrid individuals were compared with their ancestors in terms of prevalence, hybrid individuals were more susceptible to L. intestinalis infections. This study was unique as it provided the first record of L. intestinalis in a hybrid fish population.

<italic>Ligula intestinalis</italic> infection in a native Leuciscid hybrid (<italic>Alburnus derjugini</italic> x <italic>Squalius orientalis</italic>) in the Kürtün Dam Lake, Northeast Anatolia

Helminthologia

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

 infection in a native Leuciscid hybrid ( x ) in the Kürtün Dam Lake, Northeast Anatolia

Taxonomic evaluations are needed to accurately determine the host selection of fish parasites. The present study is a multidisciplinary research in the field...

Ligula intestinalis infection in a native Leuciscid hybrid (Alburnus derjugini x Squalius orientalis) in the Kürtün Dam Lake, Northeast Anatolia

Article Category: Research Article

Published Online: May 04, 2022

Page range: 83 - 93

Received: Aug 25, 2021

Accepted: Feb 09, 2022

DOI: https://doi.org/10.2478/helm-2022-0008

Keywords
Hybridization, fish, disease, parasite, cestode, prevalence

© 2022 Z. Z. İpek, C. Kaya, Ş. Kayiş, published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Ligula intestinalis infection in a native Leuciscid hybrid (Alburnus derjugini x Squalius orientalis) in the Kürtün Dam Lake, Northeast Anatolia

Article Category: Research Article

Published Online: May 04, 2022

Page range: 83 - 93

Received: Aug 25, 2021

Accepted: Feb 09, 2022

DOI: https://doi.org/10.2478/helm-2022-0008

KeywordsHybridization, fish, disease, parasite, cestode, prevalence

© 2022 Z. Z. İpek, C. Kaya, Ş. Kayiş, published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Keywords
Hybridization, fish, disease, parasite, cestode, prevalence