Metazoan Parasites of Pike (Esox Lucius L.) From Lake Uluabat, Turkey

Öztürk, Mehmet Oğuz; Altunel, F. Naci; Oğuz, Mehmet

doi:10.1560/1pcu-4t5v-ca77-x3tj

Cited by 6 publications

(5 citation statements)

References 9 publications

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“…According to the author, reduction in infestation of pike with this parasite in autumn is conditioned not by the temperature factor, but by some other factors. Ozturk et al (2000) also found high infestation of the gills of pike (100.0%) in the autumn-winter and summer periods, and decrease in extensivity of infestation to 65.0% in spring. In the winter period, AI significantly decreased (25 spec.)…”

Section: Discussionmentioning

confidence: 70%

“…and in spring it steeply increased (146 spec.) (Ozturk et al, 2000). Analysis of the conducted studies has revealed that intensity of infestation of pike with T. monenteron in the Lower Tobol has no clearly manifested seasonal dynamic, there was observed an insignificant decrease in EI and AI in May.…”

Section: Discussionmentioning

confidence: 96%

“…Many authors observed ubiquitous infestation of pike, regardless of conditions of the hydrological regime of the water body, with such obligatory parasites as T. monenteron, T. nodulosus, A. lucii, R. acus. The monogenean T. monenteron infests pike with high extensivity and intensity of invasion, and has a dominating position in its parasitofauna (Mitenev, 1998;Rusinek, 2007;Burdukovskaya et al, 2017;Ozturk et al, 2000). Young fish became infested with Tetraonchidae already at age of two weeks with EI up to 26.0% (Lyubarskaya, 1968).…”

Section: Discussionmentioning

confidence: 99%

“…Young fish became infested with Tetraonchidae already at age of two weeks with EI up to 26.0% (Lyubarskaya, 1968). The older the pike, the higher the EI and II of T. monenteron (Gorbunova, 1936;Ozturk et al, 2000). High II of adult individuals of E. lucius (up to 800 spec.)…”

Section: Discussionmentioning

confidence: 99%

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Parasitofauna of pike Esox lucius of the Lower Tobol (Russia)

Liberman¹,

Voropaeva

Козлов³

2019

Biosys. divers.

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One of the predators of the ichthyofauna of the Lower Tobol is Esox lucius (Linnaeus, 1758) (Esociformes, Esocidae). The purpose of this work is to study the current state of the E. lucius parasite fauna in the lower reaches of the Tobol River. In the present study 47 individuals of the northern pike of different sex aged from 2+ to 8+ years were examined by the method of complete parasitological dissection. As a result of the research, 23 types of parasites were found in the pike. The largest number of species of parasitic organisms – 20 – were found in May, 12 were found in December and 11 in September. Of these, 10 species are specific to northern pike: Haemogregarina esoci (Nawrotzky, 1914), Chloromyxum esocinum (Dogiel, 1934), Myxidium lieberkuhni (Biitschli, 1882), Myxosoma anurum (Cohn, 1895), Henneguya psorospermica (Thelohan, 1995), Tetraonchus monenteron (Wagener, 1857), Gyrodactylus lucii (Kulakowskaja, 1951), Triaenophorus nodulosus (Pallas, 1781), Azygia lucii (Miiller, 1776), Raphidascaris acus (Bloch, 1779). For the first time an intraerythrocyte parasite – H. esoci – was found in pike in the Lower Tobol, the extensiveness of invasion was 18.7% in December, and 6.2% in May. Epistylis sp. and Trichodinella epizzotica parasitized on the surface of the body of fish only in May, whereas members of the genus Trichodina were found in winter and spring. In all seasons, parasitization by M. anurum and H. psorospermica was established on the gills. The greatest occurrence of spores of M. lieberkuhni and C. esocinum was observed in the spring. Myxosporidia parasitized in the kidneys and T. monenteron parasitized on the gills during all periods of the study (the latter with an extensivity of invasion of 100.0%). All examined fish are infected with T. nodulosus 100.0% of cases. In May, other types of cestodes were found: P. esocis and Dibothriocephalus latus. Three pike were infected with proteocephalis. The larval stage of diphyllobothriid was found in one fish in the liver and gonads in an amount of 139 individuals. In the pikes’ stomach, during all periods of the study, A. lucii was found in all the fish examined. In the autumn period of the study immature R. campanula were found in in the intestine of 4 fish specimens. The nematode R. acus was found in pike only in spring. This nematode was found in fish aged 4+–8+. In May, glochidia with a high intensity of invasion were found on fins, gill covers and gills of fish. E. sieboldi copepods were found on the gills; in May, one specimen was found in one pike and in September in 6 with AI of 0.7. Tetraonchus monenteron was a dominant species, in May its degree of dominance decreased with the greatest uniformity of species in this study period. Having considered the age dynamics of pike infection by various types of parasites, it was found that in the age group 4+–5+ the number of species of parasites was greatest (20), while in groups 2+–3+ and 6+–8+ it was 14. In the pike, the core parasitic fauna were M. anurum, H. psorospermica, T. monenteron, T. nodulosus, A. lucii. Seasonality has virtually no effect on the degree of infection with specific parasites. The age of fish largely determines the qualitative and quantitative composition of the parasite fauna.

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Section: Discussionmentioning

confidence: 70%

Section: Discussionmentioning

confidence: 96%

Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

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Parasitofauna of pike Esox lucius of the Lower Tobol (Russia)

Liberman¹,

Voropaeva

Козлов³

2019

Biosys. divers.

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“…The majority of metazoan parasites in freshwater fish consist of Monogenean. Monogeneans are among the most commonly reported parasitic agents of fish and their resistance to pollution stress that affects other gill parasites is high (Öztürk et al, 2000;Kayış et al, 2009;Akmirza and Yardımcı, 2014). In addition to these, digeneans, cestodes, nematodes, acanthocephalans, leeches and parasitic crustaceans have also been observed in Turkey.…”

Section: Introductionmentioning

confidence: 99%

Parasite Fauna of Fish in Büyükçekmece Dam Lake

Yardımcı

Ürkü²,

Yardimci³

2018

Erzincan Üniversitesi Fen Bilimleri Enstitüsü Dergisi

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Büyükçekmece Dam Lake, located in the Marmara Region, is the third largest water resource of the six main reservoirs of Istanbul. It is used as a safe drinking water source. In this study, the parasitic fauna of the freshwater fish species in Büyükçekmece Dam Lake was investigated during the period of September 2012-May 2013. Gill nets were used for the collection of fish specimens from the lake. The fish specimens were transported to the laboratory in fiberglass tanks and they were kept alive until parasitological examination. During the dissection, the body cavity, all internal organs, the gills, the eyes, the skin, and the fins were examined. A total of 273 fish specimens belonging to nine fish species were examined and 11 parasite species were found in infested individuals. Ancylodiscoides vistulensis, Tetraonchus monenteron, Paradiplozoon homoion, Caryophyllaeus laticeps, Bothriocephalus acheilognathi, Raphidascaris acus and Eustrongylides excisus were identified to the species level. Trichodina spp., Dactylogyrus spp., Ergasilus spp. and Glochidia larvae were identified the genus level in infested individuals. Monogenea was determined as the most common parasite group. Eustrongylides excisus was also observed as the most prevalent parasite in as different fish species.

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A morphological study of Diplodiscus subclavatus (Pallas, 1760) (Trematoda: Diplodiscidae) adults from the accidental host, Viviparus contectus (Millet, 1813) (Caenogastropoda: Viviparidae)

Cichy

Żbikowska

2016

Acta Parasitologica

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A phenomenon of switching of the parasite in the food chain to an accidental host is commonly observed in nature. However, there is little available data concerning the morphological descriptions of parasites that passively get into the atypical hosts and are capable, at least to some degree, of somatic growth and development of reproductive structures. A morphological survey of Diplodiscus subclavatus (Pallas, 1760) adults isolated from a digestive tract of an accidental host, Viviparus contectus (Millet, 1813), was carried out. Diplodiscus subclavatus individuals identified in prosobranch snails were morphologically similar to adult forms of the parasite described from amphibians, typical final hosts in the life cycle of this paramphistomid. The observed forms of D. subclavatus had a fully developed reproductive system, sperm in the seminal vesicle and oocytes in the ovary. The number of eggs in the uterus ranged from 3 to 17. Our research indicates that D. subclavatus individuals reach the sexual maturity in the accidental, invertebrate hosts.

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Metazoan Parasites of Pike (Esox Lucius L.) From Lake Uluabat, Turkey

Cited by 6 publications

References 9 publications

Parasitofauna of pike Esox lucius of the Lower Tobol (Russia)

Parasitofauna of pike Esox lucius of the Lower Tobol (Russia)

Parasite Fauna of Fish in Büyükçekmece Dam Lake

A morphological study of Diplodiscus subclavatus (Pallas, 1760) (Trematoda: Diplodiscidae) adults from the accidental host, Viviparus contectus (Millet, 1813) (Caenogastropoda: Viviparidae)

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