Perch (Perca fluviatilis L.) parasites reflect ecosystem conditions: a comparison of a natural lake and two acidic reservoirs in Finland

Halmetoja, A; Valtonen, E. T.; Koskenniemi, Esa

doi:10.1016/s0020-7519(00)00115-6

Cited by 56 publications

(39 citation statements)

References 14 publications

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“…(97.3 %), Diplosthomum spathaceum (48.6 %), T. clavata (metacercariae; 75.5 %), Ichthyocotylurus variegtus (43.2 %), Trieanophorus nodulosus (29.7 %), P. percae (21.6 %), Camallanus lacustris (91.9 %) and Acanthocephalus lucii (62.2 %). Concerning seasonal dynamics, the prevalence of core species was the highest in autumn and the lowest in spring (Halmetoja et al, 2000), which correlates well with results of Nedeva & Grupcheva (1996) also with present results. Based on several most recent parasitological studies (Halmetoja et al, 2000;Kirin, 2005;Sobecka & Slomińska, 2007;Morozińska-Gogol, 2009; present study), the helminth species diversity is not very high in perch (13 -42) and digeneans always represent a dominant group of its component communities which was also found during our studies in the Srebarna Lake.…”

Section: Discussionsupporting

confidence: 93%

“…nematodes. Kakacheva-Avramova (1977) and Kakacheva-Avramova et al (1978) discovered more varied diversity of perch parasites from the Danube River. They found digeneans Bunodera luciupercae (Müller, 1776), Diplostomum baeri Dubois, 1937 (metacercariae), N. skrjabini, acanthocephalans A. lucii and Pomphorhynchus laevis (Müller, 1776) and also specimens of Rhabdochona and Contracaecum (larvae).…”

Section: Discussionmentioning

confidence: 99%

“…The great number of metacercariae of Diplostomum recorded in the course of the present study can be explained with the large diversity of fish-eating birds (Michev et al, 1998;Angelov, 2000) and rather high abundance of snails occurring in the shore region of the lake. Halmetoja et al (2000) who studied parasites of perch from a Vetämäjärvi natural lake in Finland recorded 18 parasite species. Nine core species with the prevalence exceeded 20 % were recorded: Bunodera luciopercae (48.6 %), Diplosthomum spp.…”

Section: Discussionmentioning

confidence: 99%

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Endohelminth communities of the perch, Perca fluviatilis (Perciformes, Percidae) from Srebarna Biosphere Reserve, Bulgaria

2010

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SummaryAltogether 180 specimens of Perca fluviatilis (L.) from Srebarna Lake, North-eastern Bulgaria, were examined for helminths during spring, summer and autumn of 2005 -2006. Of them, 143 (79.4 %) perch were infected with helminths. Thirteen helminth species were found: metacercariae of Bolbophorus confusus, Diplostomum pseudospathaceum, D. spathaceum, Ichthyocotylurus pileatus, Posthodiplostomum cuticola and Tylodelphys clavata; cestode Proteocephalus percae; acantocephalans Acanthocephalus anguillae and A. lucii and nematode larvae Contracaecum microcephalum, Eustrongilides excisus, E. tubifex and Rhaphidascaris acus. The digenean T. clavata was dominant species of the perch component community. Little seasonal differences were found in the prevalence, abundance and mean infection of helminths. Eustrongilides tubifex reported from the territory of Bulgaria for the first time, represent the new geographical records and new species of Bulgarian helminth fauna. P. fluviatilis was reported as a new host record for two digeneans, namely Diplostomum pseuspathaceum and Posthodiplostomum cuticola, the cestode Proteocephalus percae, the acantocephalan Acantocephalus anguillae and the nematodes Contracaecum microcephalum and E. tubifex from the territory of Bulgaria. P. fluviatilis was reported as a new host record for D. pseudospathaceum, P. cuticola, C. microcephalum and E. tubifex from Balkan peninsula.

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Section: Discussionsupporting

confidence: 93%

Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

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Endohelminth communities of the perch, Perca fluviatilis (Perciformes, Percidae) from Srebarna Biosphere Reserve, Bulgaria

2010

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“…Habitat-specific environmental conditions can affect the transmission of parasites through host populations (Amano et al 2008;Cáceres et al 2006;Halmetoja et al 2000;Lafferty and Kuris 2005;Morley 2007). We did not measure environmental parameters at either location, but the degree of variation in parasite prevalences and intensities found between BL and TCR populations (Fig.…”

Section: Discussionmentioning

confidence: 99%

Patterns of gregarine parasitism in dragonflies: host, habitat, and seasonality

Locklin

Vodopich

2010

Parasitol Res

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Gregarines are ubiquitous protozoan parasites that infect arthropods worldwide. More than 1,600 gregarine species have been described, but only a small percentage of invertebrates have been surveyed for these apicomplexan parasites. Adult dragonfly populations were surveyed for gregarines at two reservoirs in Texas, USA for 2 years. Gregarine prevalence and intensity were compared intraspecifically between host genders and reservoirs, among wing loads, and through time. Of the 29 dragonfly species collected, 41% hosted gregarines. Nine of these dragonfly species were previously undocumented as hosts. Among the commonly collected hosts, prevalence ranged from 18 to 52%. Parasites were aggregated among hosts and had a median intensity of five parasites per host. Gregarines were found only in hosts exceeding a minimum wing load, indicating that gregarines are likely not transferred from the naiad to adult during emergence. Prevalence and intensity increased during both years, suggesting that gregarine oocyst viability parallels increasing host population densities and may be short-lived. Prevalence and intensity also differed between dragonfly populations at two reservoirs. Regression analyses revealed that host species, host gender, month, and year were significant explanatory variables related to gregarine prevalence and intensity. Abundant information on odonate distributions, diversity, and mating activities makes dragonfly-gregarine systems excellent avenues for ecological, evolutionary, and parasitological research. Our results emphasize the importance of considering season, hosts, and habitat when studying gregarine-dragonfly ecology.

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“…In assessing levels of biologically available pollutants, biological indicators are useful tools in addition to chemical water analyses, which primarily describe the total concentration of a particular pollutant [85]. The use of parasites as biological indicators for pollution deals with the question as to whether environmental contamination could affect the composition of parasitic communities in their final hosts [86][87][88]. The endohelminths (mainly acanthocephalans and cestodes) of fish are nowadays widely accepted as good indicators of environmental pollution by heavy metals in aquatic ecosystems [5,8,9,89,90].…”

Section: Biological Indicators For Heavy Metal Contaminationsmentioning

confidence: 99%

Updates on Aquatic Parasites in Fisheries: Implications to Food Safety, Food Security and Environmental Protection

Quiazon¹

2015

J Coast Zone Manag

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Journal of Coastal Zone Management AbstractCheap protein sources from fishery products come from both capture fishery and aquaculture industries. Despite the available technologies that help increase wild catch and aquaculture production, our food security is being threatened by several factors including parasitic infections. Zoonotic parasites infecting our fishery products are one of the several concerns for our food safety. Among these include the infections with the nematode Anisakis in marine fishes and cephalopods causing human anisakiasis and/or allergy-associated health risks, the nematode Gnathostoma causing gnathostomiasis, and food poisoning due to the myxozoan infection of the genus Kudoa. On the other hand, the increasing human population, dwindling fish catch from the wild, degradation of aquatic environment, and declining or slow growth of aquaculture sector due to parasitic diseases are all posing global threats to the security and sustainability of fish supplies. The wild fish populations are affected by the parasitic diseases that directly and indirectly affect fish reproduction, growth, and survival, whereas intensifications of aquaculture operations cause fish health problems associated to parasitic diseases resulting to decline in production. Despite these negative impacts of parasites, there are several parasite groups that are used as biological indicators for food chain structure, heavy metal contamination, environmental pollutions and fish stock assessment (i.e., nematodes Anisakis, Hysterothylacium, Anguillicola, Spirophilometra, Raphidascaris, and Philometra; acanthocephalans Pomphorhynchus, Serrasentis, and Acanthocephalus; cestodes Bothriocephalus, Monobothrium, and Ligula; monogenean Pseudorhabdosynochus; and digenean Didymodiclinus), as well as reducer of heavy metal accumulation in the body of their host fish (i.e., acanthocephalans Pomphorhynchus and Acanthocephalus). The use of these parasites for proper management of fishery resources can be of help in addressing food safety, fish security, and food sustainability, while at the same time managing our fishery resources. As we are addressing these global issues, these parasites that we are considering as threats can be of useful value to attain sustainable development.

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Perch (Perca fluviatilis L.) parasites reflect ecosystem conditions: a comparison of a natural lake and two acidic reservoirs in Finland

Cited by 56 publications

References 14 publications

Endohelminth communities of the perch, Perca fluviatilis (Perciformes, Percidae) from Srebarna Biosphere Reserve, Bulgaria

Endohelminth communities of the perch, Perca fluviatilis (Perciformes, Percidae) from Srebarna Biosphere Reserve, Bulgaria

Patterns of gregarine parasitism in dragonflies: host, habitat, and seasonality

Updates on Aquatic Parasites in Fisheries: Implications to Food Safety, Food Security and Environmental Protection

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