Trematode diversity in freshwater fishes of the Globe I: ‘Old World’

Scholz, Tomáš; Besprozvannykh, V. V.; Boutorina, Tamara E.; Choudhury, Anindo; Cribb, Thomas H.; Ermolenko, A. V.; Faltýnková, Anna; Shedko, M. B.; Shimazu, Takeshi; Smit, Nico J.

doi:10.1007/s11230-016-9630-3

Cited by 22 publications

(9 citation statements)

References 42 publications

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“…Although digeneans were the most commonly reported parasitic group, the number of identified adult digeneans is quite low, with only 34 species described (Hostettler et al, 2018; Miller & Adlard, 2020; Scholz et al, 2016). Over 50% of the reported digeneans in this review are unidentified larval stages, with most at best described to genus level.…”

Section: Discussionmentioning

confidence: 99%

Freshwater fish as hosts for parasites in Australia: How much do we really know?

Barton,

Shamsi

2023

Ecology of Freshwater Fish

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Australia has a highly endemic freshwater fish fauna, but basic biological knowledge for most is lacking. This includes an understanding, and description, of their parasite fauna. Additionally, the impacts of introduced fish species, and their parasites which have transferred across to native species, are also mostly unknown. This review provides the current level of knowledge of parasitic infection of the freshwater fish in Australia, both introduced and native. Only about a third of the native freshwater fish, but almost two‐thirds of introduced fish, have been reported as a host for a parasite. The majority of records occur along the eastern coastline of Australia and throughout the Murray Darling Basin; two drainage regions were yet to record any parasite infections. Of the 124 fish species, across 43 families, found as hosts in Australia, only 11 species had more than 10 reports of infection, with 31% of fish species only having single reports. A total of 13 different types of parasites were reported, with digeneans, protozoans, nematodes and monogeneans the most commonly reported. Significant gaps in the knowledge of parasites, and their potential impacts, of Australian freshwater fish still exist, and the need for fish biologists and fish parasitologists to work together is highlighted to ensure that as much information about each group can be obtained.

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Section: Discussionmentioning

confidence: 99%

Freshwater fish as hosts for parasites in Australia: How much do we really know?

Barton,

Shamsi

2023

Ecology of Freshwater Fish

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“…The knowledge of trematode fauna remains highly incomplete [63,64]. Current estimates of trematode species in African freshwater fishes revealed the presence of 66 species (based on adults) allocated in 33 genera of 20 families reported from 59 freshwater fish species [64].…”

Section: Parasitic Trematodamentioning

confidence: 99%

A Review of Parasites of Freshwater Fishes of the Sudan from 1902 to 2020

2022

NSJ

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BackgroundThis review was conducted from 1996 to 2020 aiming to compile the findings of parasites of freshwater fishes of Sudan in a single document. MethodsThe present review was based on 105 scientific paper, 3 conferences abstracts, 3 graduation dissertation, 7 master and 2 Ph.D. theses, one unpublished reports, 10 books, and one technical report. The work covered the period from 1902 to 2020. ResultsSome thousands of freshwater fish specimens were examined for their ecto-parasites and/or endo-parasites. Fifty-eight fish species were reported infected and 162 parasitic species including 32 new species were collected. The parasites found were three bacterial and three fungal species collected from Oreochromis niloticus. From 10 species of fish, 19 protozoans were described.From 10 species of fish, 22 Monogenean species were found including 7 new species. One new Aspidogastrean species was collected from Labeobarbus bynni. From 29 fish species 23 Digenean species were collected including five new ones. From 41 species of fish, 44 species of cestodes parasites were collected including 11 species new to science. Twenty parasitic Nematodes species including seven new ones were collected from 32 fish species. From 12 fish species 9 Crustacean were described. Nine Acanthocephalans including one new species from Ichthyborus besse were collected from 11 fish species. Co-infection was observed.

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“…Parasitic annelids have been reviewed in [26][27][28]. Cestode taxonomy is still far from being well-understood [29][30][31]. Therefore, we consulted T. Scholz ( České Budějovice, Czech Republic) for an expert opinion on the cestodes collected.…”

Section: Morphological Identification Of Parasites and Endocommensalsmentioning

confidence: 99%

Component Endoparasite Communities Mirror Life-History Specialization in Syntopic Reed Frogs (Hyperolius spp.)

et al. 2021

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Most of our knowledge on the processes structuring parasite communities in amphibians originate from temperate-zone taxa, whereas Afrotropical communities have been neglected so far. We found evidence that ecological fitting of the hosts and, probably, differential immune response may influence the variation in parasite species richness, prevalence, and infestation intensity of East African frogs Hyperolius kivuensis and H. viridiflavus. The most closely related host species share the same macrohabitat (that implies the same pool of potential parasites), but differ in microhabitat preference, so that a comparative analyses of syntopic and allopatric populations is expedient to reveal ecological fitting. We detected 11 parasite species (one annelid, four nematodes, five trematodes, one cestode) and two endocommensal species (protozoans). The component parasite communities included 4–5 helminth species in H. kivuensis and 6–8 in the more aquatic H. viridiflavus, supporting the hypothesis that trematode diversity increases with the amount of time spent in water. Five parasite species (Orneoascaris chrysanthemoides, Clinostomum chabaudi, an undetermined echinostomatid) and two protozoans (Nyctotheroides sp., and Protoopalina sp.) are shared among the syntopic amphibian populations. This finding indicates a similar susceptibility of these amphibians to infestation from the local parasite pool. Yet, the low prevalence of single- and multi-species infestations in H. kivuensis indicates that parasite clearing by its immune response is probably more effective and prominent than in H. viridiflavus. Therefore, H. viridiflavus suffered from significantly reduced short-term survival due to the infection. Thus, we conclude that the processes structuring component parasite communities in amphibians do not differ generally between temperate-zone and Afrotropical host species, but they do in the magnitude of ecological fitting.

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Trematode diversity in freshwater fishes of the Globe I: ‘Old World’

Cited by 22 publications

References 42 publications

Freshwater fish as hosts for parasites in Australia: How much do we really know?

Freshwater fish as hosts for parasites in Australia: How much do we really know?

A Review of Parasites of Freshwater Fishes of the Sudan from 1902 to 2020

Component Endoparasite Communities Mirror Life-History Specialization in Syntopic Reed Frogs (Hyperolius spp.)

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