Helminth and arthropod parasites of fishes in the mountain national parks of Canada

Mudry, Dwight R.; Anderson, R. Stewart

doi:10.1111/j.1095-8649.1977.tb04095.x

Cited by 10 publications

(4 citation statements)

References 21 publications

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“… Sources: (1) Bangham & Adams (1954), (2) Mudry & Anderson (1977), (3) Szalai & Dick (1988), (4) Bangham (1955), (5) Muzzall (1984), (6) Wier et al. (1983), (7) Sandeman & Pippy (1967), (8) Kennedy et al.…”

Section: Methodsmentioning

confidence: 99%

Host introductions and the geography of parasite taxonomic diversity

Poulin

Mouillot

2003

Journal of Biogeography

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Aim Geographical variation in parasite diversity is examined among populations of fish in their original heartland and in areas where they have been introduced. The diversity in heartland and introduced populations is contrasted, and also compared with the expectations of a null model.Location Data on the parasite communities of two salmonid fish species were obtained: the rainbow trout Oncorhynchus mykiss in its British Columbia heartland and in introduced populations in North America, Great Britain, South America and New Zealand; and the brown trout Salmo trutta in heartland populations from Great Britain, and in introduced populations in North America, South America and New Zealand.Methods The average taxonomic distinctness and its variance were computed for each parasite community, and used as measures of the taxonomic diversity of parasite species in each fish population. Observed values of taxonomic distinctness were also compared with those expected if each community was a random selection from the world list of parasite species known for each of the two host species.Results Few parasite communities departed from the expectations of the null model, i.e. few had a taxonomic diversity of parasites greater or lower than that expected from a random selection of parasite species. However, these departures were not more or less likely among heartland fish populations than among introduced ones. In both fish species, parasite communities in introduced populations tended to be a little more taxonomically diverse than in the heartland populations.Main conclusions Overall, the results suggest that the accumulation of parasite species in introduced hosts over short (ecological) periods of time can result in parasite assemblages that are just as, or even more, taxonomically diverse than those developed over much longer (evolutionary) time frames in the host species geographical heartland. This finding highlights the importance of ecological factors in parasite biodiversity in addition to coevolutionary processes.

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Section: Methodsmentioning

confidence: 99%

Host introductions and the geography of parasite taxonomic diversity

Poulin

Mouillot

2003

Journal of Biogeography

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“…Moravec and Arai (1971) found that the rounded tail tip is another feature distinguishing it from other North American congeners. Rhabdochona cotti was reported from the slimy sculpin C. cognatus, the prickly sculpin C. asper Richardson, and the mottled sculpin C. bairdii Girard from different localities in Canada and the USA by Bangham and Adams (1954), Dechtiar (1972), Mudry and Anderson (1977), Arai and Mudry (1983), Muzzall and Sweet (1986), Heckmann et al (1987), and Muzzall and Whelan (1995). The present finding of R. cotti in C. caeruleomentum from Maryland represents a new host record and increases the known distribution of R. cotti in North America.…”

Section: Discussionmentioning

confidence: 99%

Redescription of Rhabdochona cotti (Nematoda, Rhabdochonidae) from Cottus caeruleomentum (Teleostei, Cottidae) in Maryland, USA, with remarks on the taxonomy of North American Rhabdochona spp.

Moravec

Muzzall

2007

Acta Parasitologica

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The nematode Rhabdochona cotti Gustafson, 1949 is redescribed from specimens collected from the intestine of the blue ridge sculpin Cottus caeruleomentum (a new host record), a recently described fish species, from Little Fishing Creek in Maryland, USA. The measurements of these specimens, collected in November 2005, are generally smaller than those reported in the original description of R. cotti, this being probably associated with the nematode's seasonal maturation cycle or the different host species. As revealed by SEM, the deirids of R. cotti are simple (not bifurcate), in which this species differs from almost all North American congeners. Of these, simple deirids, filamented eggs and a rounded tail tip in females occur only in Rhabdochona longleyi, but it distinctly differs from R. cotti in the smaller number of anterior prostomal teeth (6 vs. 14). Rhabdochona rotundicaudatum is considered a junior synonym of Rhabdochona cascadilla; numerous specimens of the latter were collected from Semotilus atromaculatus, Luxilus cornutus and Notropis rubellus from the type locality (Eramosa River, Ontario, Canada) (unpublished). Rhabdochona paxmani and Rhabdochona salmonis are synonymized with Rhabdochona kisutchi, whereas Rhabdochona californiensis is considered a junior synonym of R. cascadilla. The need of a taxonomic revision of North American species of Rhabdochona is stressed.

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“…Therefore, in different countries, research has been conducted for a long time, not only for fish, but also for their parasites in Protected Areas. Some of the investigations concerned the parasite communities and species composition in different fish species (Mudry & Anderson, 1977;Boomker, 1994;Murcia et al, 2006;Morozińska-Gogol, 2007, 2009Butorina et al, 2008;Shukerova & Kirin, 2008;Moravec & Bakenhaster, 2010;Sandlund et al, 2010;Shukerova et al, 2010Shukerova et al, , 2017Sokolov & Gordeev, 2014;Chunchukova et al, 2016;Chunchukova & Kirin, 2018;Rubtsova & Kutsokon, 2018;Utevsky et al, 2018). Other studies devoted to different systematic groups include data on fish parasites in Protected Areas (Sasal et al, 2004;Galli et al, 2007;Kirjušina & Vismanis, 2007;Székely et al, 2009;Wood et al, 2013;Halajian et al, 2018;Hoogendoorn et al, 2020).…”

Section: Introductionmentioning

confidence: 99%

Parasites of Oreoleuciscus potanini (Cyprinidae) from lakes of Khar Us Nuur National Park (Mongolia)

Lebedeva¹,

Mendsaikhan²,

Yakovleva³

et al. 2020

Nat. Conserv. Res.

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Freshwater ecosystems of Mongolia belong to the three major Central Asian drainage systems: Arctic drainage, Amur River drainage, and Central Asian Internal drainage. The Great Lakes Depression takes considerable part of the latter. One of the few fish species living there, Oreoleuciscus potanini, is the most common and widespread endemic species in the Central Asian region. Parasitological surveys on O. potanini from the Great Lakes Depression have not occurred regularly in recent years. Consequently, this study was conducted to explore the species diversity of helminth parasites in O. potanini in the three lakes of Khar Us Nuur National Park. In total, 52 O. potanini specimens were collected from the lakes Khar, Khar Us and Durgen and sampled in August 2012. In addition to the parasites, the age and diet spectrum of the fish species were studied. The fish were examined for infection with ecto-and endo-macroparasites. The species composition of Diplostomum spp. metacercariae from the eyes of fish was investigated using a molecular approach. In the lakes Khar and Khar Us the fish age ranged from four to 32 years old and from eight to 35 years old, respectively. Fish of four age groups (9, 10, 11 and 14 years old) were in Lake Durgen. Algae and various insects, including Chironomida larvae were the main food of the O. potanini in all three lakes. When the diet was investigated we found that in Lake Durgen Cladocera crustaceans were the significant component in the fish diet, and no fish was found in the O. potanini diet there. During the study 26 parasites species were identified from the three lakes. The total fauna is represented by four phyla, including Acanthocephala (one species), Annelida (one species), Nematoda (four species), Platyhelminthes (20 species). The last group was the most numerous and diverse, including three species of Cestoda, six species of Monogenea and 11 species of Trematoda. Five species of parasites were specific to O. potanini only (monogeneans Gyrodactylus mongolicus, G. oreoleucisci, G. pewsowi, nematodes Philometra oreoleucisci and Rhabdochona humili). The other helminthes exhibited a low host-specificity, infecting a wide range of fishes in the Holarctic. The larvae of endohelminthes predominate in the parasite fauna. The majority of these parasites enter the fish via various invertebrate species during O. potanini's feeding. Our study provided novel data on the species diversity of Diplostomum spp. metacercaria in O. potanini's eyes. They were represented by three species: Diplostomum spathaceum, D. pseudospathaceum and Diplostomum sp. LIN2. The species richness and diversity of parasites were much higher for O. potanini from the lakes Khar and Khar Us (26 species), than that for O. potanini of Lake Durgen (15 species). The possible reason for the absence of some parasites in Lake Durgan is an increased water salinity. It is likely that, despite the potential for the fish to exist under conditions of an elevated salinity, parasites (or their invertebrate hosts) are not adapted to i...

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Helminth and arthropod parasites of fishes in the mountain national parks of Canada

Cited by 10 publications

References 21 publications

Host introductions and the geography of parasite taxonomic diversity

Host introductions and the geography of parasite taxonomic diversity

Redescription of Rhabdochona cotti (Nematoda, Rhabdochonidae) from Cottus caeruleomentum (Teleostei, Cottidae) in Maryland, USA, with remarks on the taxonomy of North American Rhabdochona spp.

Parasites of Oreoleuciscus potanini (Cyprinidae) from lakes of Khar Us Nuur National Park (Mongolia)

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