New data on alien species of parasites and hosts in the ecosystem of Lake Glubokoe (Moscow oblast, Russia)

Соколов, С. Г.; Решетников, А. Н.; Protasova, E. N.; Voropaeva, E. L.

doi:10.1134/s2075111717010131

Cited by 6 publications

(5 citation statements)

References 12 publications

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“…Most of the European findings demonstrate: 1–2 ind. per host [ 11 , 14 ] or 7–50 ind. per host [ 8 , 13 ].…”

Section: Discussionmentioning

confidence: 99%

“…This was followed by findings of the parasite in France, Great Britain, Cuba, Finland and the USA [ 4 , 5 , 6 , 7 , 8 , 9 , 10 ]. Since the beginning of this century, it has been recorded in Germany, Italy, Turkey, Mexico, European Russia, Canada and the Czech Republic [ 11 , 12 , 13 , 14 , 15 , 16 ]. Thus, the species is actively spreading around the world, finding new hosts and changing the existing population relationships.…”

Section: Introductionmentioning

confidence: 99%

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Biological Invasion of Fish Parasite Neoergasilus japonicus (Harada, 1930) (Copepoda: Ergasilidae) in Lake Grand Laoucien, France: A Field Study on Life Cycle Parameters and Reasons for Unusual High Population Density

Alekseev

Cuoc

Jamet

et al. 2021

Life

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The fish parasite, Neoergasilus japonicus (Harada, 1930), native to Eastern Siberia and the Amur River catchment area, invaded European water bodies in the middle of the last century, possibly due to the human-mediated distribution of fish in the Amur complex (i.e., the genera Hypophthalmichthys and Ctenopharyngodon). In the deep karst lake, Grand Laoucien (Marseille area, France), this species had an unusually high population density (from 1000 ind./ m3 in zooplankton to 4000 ind./ m3 in the nearshore area) during the free-living period of its life cycle. The annual cycle of N. japonicus includes a 5-month overwintering of fertilized females attached to fish fins and, following this, a five- to six-generation chain from March to November, when the free-living stages in the population alternate with parasite females which attach to their hosts for breeding. The population density of the parasites in zooplankton increased exponentially from spring to autumn, which positively correlated with temperature. We found a strong correlation between N. japonicus density and the community development of microphytobenthos, but not between N. japonicus and phyto- or zooplankton dynamics. The local contributing factors included a seasonal three-fold decrease in water levels and the development of anoxia in profundal waters, which led to a high ambient fish density and thus susceptibility to the parasite. Although the free-living parasite represented only 1% of zooplankton production, it consumed up to 25% of small invertebrate productivity. The maximum intensity of infection reached 140 parasites per fish, or 4.14 per g of weight. The high infection of fish with this parasite, in our opinion, indicated the danger it poses to the local ichthyofauna, which first encountered this new parasite.

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“…Most of the European findings demonstrate: 1–2 ind. per host [ 11 , 14 ] or 7–50 ind. per host [ 8 , 13 ].…”

Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Biological Invasion of Fish Parasite Neoergasilus japonicus (Harada, 1930) (Copepoda: Ergasilidae) in Lake Grand Laoucien, France: A Field Study on Life Cycle Parameters and Reasons for Unusual High Population Density

Alekseev

Cuoc

Jamet

et al. 2021

Life

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“…and Аzygia lucii (juv) were found only in females of the age group 5+-6+. Cercariae A. lucii develop in mollusks, non-predatory fish become infested after swallowing cercariae swimming in the water column, therefore such findings in bream are considered accidental (Rueckert et al, 2007;Sokolov et al, 2017;Chunchukova et al, 2017). Intermediate hosts for Proteocephalus sp.…”

Section: Discussionmentioning

confidence: 99%

“…In its development cycle, this nematode has a broad range of reservoir hosts (oligochaetae, mollusks, crustaceans, larvae of insects, alevins, non-predatory fish), which are associated ecologically with one another in trophic networks (Supryaga & Mozgovoj, 1974). The final obligate host for R. acus is pike, for which bream, in turn, is food (Sokolov et al, 2017;Platonov et al, 2018). In the Caspian Sea bream were observed to have increase in extensity of infection with Caryophyllaeus laticeps at the age 2+ to 5+, at the same time infection in females was 4 times higher than in males (Hayatbakhsh et al, 2011).…”

Section: Discussionmentioning

confidence: 99%

Sexual and age characteristics of the parasitofauna of Abramis brama (Cypriniformes, Cyprinidae) of the Lower Irtysh (Russia)

Liberman

2019

Biosys. divers.

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In the present study, an evaluation was made of the dependence between infections by various types of parasites and the sex and age of the host. The parasitic community of Abramis brama includes 24 species of parasites. We assessed the degree of infestation by parasites in groups of male, female and juvenile specimens. It was established that only male bream were infested with Zschokkella nova (Klokacewa, 1914), Hysteromorpha triloba (Rudolphi, 1819), Allocreadium isoporum (Looss, 1894), Ichthyocotylurus platycephalus (Сrерlin, 1852). The ciliates of Trichodina nigra (Lom, 1960) were noted on the gills and fins of all the examined fish, the extensiveness of infection in the group of juveniles exceeded that of the groups of females and males. Specimens of Myxobolus rotundus (Nemeczek, 1911) were found on the gills and in the kidneys, and M. parviformis only on the gills of the fish. The level of infection in males was three times the EI in females and juvenile fish. The infestation on the fins by the metacercaria of Rhipidocotyle campanula (Dujardin, 1845) in male bream was more than 6 times higher than infection in females and juveniles. An increase in the extensiveness of infection in males by the nematode Philometra ovata (Zeder, 1803) was also noted in comparison with groups of females and juvenile fish. Species-specific monogeneans: Dactylogyrus falcatus (Wedl, 1857), D. wunderi (Bychowsky, 1931), D. zandti (Bychowsky, 1933), Gyrodactylus elegans (Nordmann, 1832); the trematodes Sphaerostomа bramae (Müller, 1776) and Diplostomum chromatophorum (Brown, 1931) infested all individuals of bream in approximately the same proportion, whereas an increase in the EI of the Caryophyllaeus laticeps (Pallas, 1781) cestode in males was observed. Infection with metacercariae Metorchis sp. in males exceeded that in females and juvenile fish. At the same time, only females and juvenile bream were infected by Chilodonella sp., metacercariae Opisthorchis felineus (Rivolta, 1884) and glochidia Unionidae gen. sp. During the studies in females, the following species of parasite were observed singly : Proteocephalus sp., Azygia lucii (Miiller, 1776), Ergasilus sieboldi (Nordmann, 1832). Parasitization by Raphidascaris acus (Bloch, 1779) was recorded only in males and juveniles, whereas in females this parasite was not observed. The dominant parasite in males was G. elegans, in females – the representatives of the genus Dactylogyrus, in the juvenile individuals the trematode S. bramae dominated. Analysis of the parasite fauna in various age groups allowed us to establish that at the age of 5+–6+ bream were infected by 20 species of parasites, in age group 3+–4+ there were 15 species, at the age of 7+–8+ the fish were infected only with 11 parasitic species. The fish in all three groups were infected by T. nigra, Dactylogyrus spp., G. elegans, D. chromatophorum, S. bramae, R. acus almost at the same level and had no sharp differences in extensiveness and abundance of infection. Unionidae gen. sp. were observed only in group 3+–4+. Parasitization by Proteocephalus sp., metacercariae H. triloba and I. platycephalus, A. isoporum, and A. lucii was found in bream of age group 5+–6+, the species did not occur in bream at other ages. Nematode P. ovata and crustacean E. sieboldi infested the fish in age groups 3+–4+ and 5+–6+ with a slight increase in the extensiveness of infection at low abundance rates. The same age groups were observed to have decrease in the extensiveness of infection with Chilodonella sp. and metacercariae O. felineus. Myxozoan Z. nova parasitized in age group 5+–6+ and had an increase in extensiveness in age group 7+–8+. In all groups, infection was noted by representatives of the genus Myxobolus, R. campanula and Metorchis sp. with EI increasing with age. The obligate parasite of bream – C. laticeps infested fish the most in age group 3+–4+ in comparison with age groups 5+–6+ and 7+–8+. In the younger age group, the dactylogyruses were dominant parasites, in the age group 5+–6+ Gyrodactylus dominated, in the older age group – Metorchis sp.

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“…In water bodies of its invaded range, this fish establishes parasite interactions with native invertebrate and vertebrate hydrobiontes (e.g. Kvach, Janáč, Nehring, Ondračková, & Jurajda, 2017; Reshetnikov et al, 2013; Sokolov, Protasova, Reshetnikov, & Voropaeva, 2012; Sokolov, Reshetnikov, Protasova, & Voropaeva, 2017).…”

Section: Introductionmentioning

confidence: 99%

A checklist of parasites of non‐native populations of the fish rotanPerccottus glenii(Odontobutidae): Communication II

Соколов

Решетников

2020

J Appl Ichthyol

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The fish rotan, Perccottus glenii Dybowski, 1877 (Odontobutidae) is one of the most successful fish invaders during 20th and beginning of 21st century in European and Asian fresh waters. The diversity of its parasites within its invaded range was first reviewed by Sokolov, Reshetnikov, et al. (2014). The current paper analyzes new data from 2013 to 2019 on protistan and metazoan parasites of the non‐native populations of this fish. We used information from peer‐reviewed journals, difficult to access grey literature and our own recently obtained original data. 45 literature sources were included in the analysis. The newly‐available data originate from 95 water bodies of 13 river basins, isolated lakes in West Siberia, and Gulf of Finland, spanning a total of eight countries. A total of 132 recently detected parasite species/taxa are listed in this paper. Each species is presented with its location in/on the host, geographical localities, countries, and according literature sources. When available, number of examined fish as well as prevalence and range of intensity of infection are cited from the original source. This review enlarges contemporary knowledge on parasites of non‐native populations of the studied fish species up to 167 species/taxa. We highlight perspectives for further parasitological investigations of this invasive fish.

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New data on alien species of parasites and hosts in the ecosystem of Lake Glubokoe (Moscow oblast, Russia)

Cited by 6 publications

References 12 publications

Biological Invasion of Fish Parasite Neoergasilus japonicus (Harada, 1930) (Copepoda: Ergasilidae) in Lake Grand Laoucien, France: A Field Study on Life Cycle Parameters and Reasons for Unusual High Population Density

Biological Invasion of Fish Parasite Neoergasilus japonicus (Harada, 1930) (Copepoda: Ergasilidae) in Lake Grand Laoucien, France: A Field Study on Life Cycle Parameters and Reasons for Unusual High Population Density

Sexual and age characteristics of the parasitofauna of Abramis brama (Cypriniformes, Cyprinidae) of the Lower Irtysh (Russia)

A checklist of parasites of non‐native populations of the fish rotanPerccottus glenii(Odontobutidae): Communication II

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