Occurrence of Camallanus cotti in greatly diverse fish species from Danjiangkou Reservoir in central China

Wu, Shangong; Wang, Guitang; Gao, Dian; Xi, Bingwen; Yao, Wenjing; Liu, Minliang

doi:10.1007/s00436-007-0472-4

Cited by 13 publications

(12 citation statements)

References 12 publications

(23 reference statements)

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“…While non-native tropical fishes like A. nigrofasciata are not likely to persist in colder stream regions, C. cotti is known to be a generalist parasite, using a wide range of fish hosts and to be able to survive successfully at lower temperatures (Wu et al 2007). Especially perches (Perca fluviatilis), sticklebacks (G. aculeatus), and eels (A. anguilla) could be susceptible to C. cotti, as they are common hosts for the native, closely related C. lacustris (Moravec 2013).…”

Section: Parasite Fauna Of a Nigrofasciatamentioning

confidence: 99%

“…Especially perches (Perca fluviatilis), sticklebacks (G. aculeatus), and eels (A. anguilla) could be susceptible to C. cotti, as they are common hosts for the native, closely related C. lacustris (Moravec 2013). Cyprinid fishes are commonly infected by C. cotti in Asia (Wu et al 2007), and different cyprinid species are also abundant in the Gillbach and adjacent rivers, such as the Erft and Rhine. Cyprinids could, therefore, act as intermediate hosts for the generalist parasite, spreading the parasite beyond the Gillbach.…”

Section: Parasite Fauna Of a Nigrofasciatamentioning

confidence: 99%

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Cooling water of power plant creates “hot spots” for tropical fishes and parasites

et al. 2015

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Thermally altered water bodies can function as "hot spots" where non-native species are establishing self-sustaining populations beyond their tropical and subtropical native regions. Whereas many tropical fish species have been found in these habitats, the introduction of non-native parasites often remains undetected. Here, n = 77 convict cichlids (Amatitlania nigrofasciata) were sampled by electro-fishing at two sites from a thermally altered stream in Germany and examined for parasite fauna and feeding ecology. Stomach content analysis suggests an opportunistic feeding strategy of A. nigrofasciata: while plant material dominated the diet at the warm water inlet (∼30 °C), relative contributions of insects, plants, and crustaceans were balanced 3 km downstream (∼27 °C). The most abundant non-native parasite species was the tropical nematode Camallanus cotti with P = 11.90 % and P = 80.00 % at the inlet and further downstream, respectively. Additionally, nematode larvae of Anguillicoloides crassus and one specimen of the subtropical species Bothriocephalus acheilognathi were isolated. A. nigrofasciata was also highly infected with the native parasite Acanthocephalus anguillae, which could be linked to high numbers of the parasite's intermediate host Asellus aquaticus. The aim of this study was to highlight the risk and consequences of the release and establishment of ornamental fish species for the introduction and spread of non-indigenous metazoan parasites using the convict cichlid as a model species. Furthermore, the spread of non-native parasites into adjacent fish communities needs to be addressed in the future as first evidence of Camallanus cotti in native fish species was also found.

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Section: Parasite Fauna Of a Nigrofasciatamentioning

confidence: 99%

Section: Parasite Fauna Of a Nigrofasciatamentioning

confidence: 99%

Cooling water of power plant creates “hot spots” for tropical fishes and parasites

et al. 2015

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“…The threshold of 1.7% was established using as standard the difference between valid species in the genus. Recently, research on 9 species of philometrids collected in China revealed that the interspecific divergence was more than 7.32% in the ITS region (Wu et al, 2005). All these studies, and many others, indicated that for parasitic nematodes, there was a significant difference between the variations of intra-and interspecies whether the ITS1, ITS2, or combined rDNA sequences were used.…”

Section: Species Validity Within Camallanus Sppmentioning

confidence: 99%

“…As a generalist parasite, it is frequently found in many species of the Cypriniformes, Siluriformes, and Perciformes. Recent surveys of helminths reveal that the host range and geographic distribution of this species are increasing and that the worm is a potential danger to endemic fishes (Font and Tate, 1994;Wu et al, 2007). Of the remaining species, C. hypophthalmichthys is a relative specialist, recorded in only 2 species of fish in the Hypophthalmichthyinae, whereas C. zacconis shares some hosts with C. cotti.…”

mentioning

confidence: 99%

Molecular Characteristics of Camallanus Spp. (Spirurida: Camallanidae) in Fishes from China Based On its rDNA Sequences

Wu¹,

Wang²,

Xi³

et al. 2008

J Parasitol

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“…Whereas C. corderoi, a parasite mainly of P. trucha in Chile and Argentina, has the buccal capsule with dentigerous ridges (subgenus Zeylanema Yeh), both other species, parasites of osteoglossiform fishes in the Amazon River Basin, have smooth ridges in the capsule (nominotypical subgenus Camallanus); the latter differ from each other in conspicuously different lengths and shapes of the female tail. Recently, Martins et al (2007) described a new species, C. maculatus Martins, Garcia, Piazza and Ghiraldelli from the cultured ornamental fish Xiphophorus maculatus (Günther) in Brazil, but this is evidently a synonym of C. cotti, an Asian species now introduced into many countries of different continents, where it parasitizes many species of cultured and native fish species , Wu et al 2007). suggested this synonymy, but because the paper describing C. maculatus was not yet published at that time, they could not do it formally.…”

Section: Tridentatus Was Described Bymentioning

confidence: 99%

Camallanus tridentatus (Drasche) (Nematoda: Camallanidae): new taxonomically important morphological data

Santos

Moravec

2009

Mem. Inst. Oswaldo Cruz

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. A total of 30 specimens of arapaimas body length 6.5-175cm were examined for the presence of helminth parasites. The camallanid nematodes recovered were washed in physiological saline and then fixed in hot 4% formaldehyde solution. For light microscopy, the nematodes were cleared with glycerine. Drawings were made with the aid of a Zeiss drawing attachment. After examination, the specimens were stored in vials with 70% ethanol. Measurements are given in micrometres unless otherwise stated, with means in parentheses.For scanning electron microscopy (SEM), fixed specimens were postfixed in 1% osmium tetroxide in phosphate buffer, dehydrated through a graded acetone series, critical-point dried and sputter-coated with gold. The samples were examined using a JEOL ISM-7401F scanning electron microscope at an accelerating voltage of 4 kV or 8 kV.For confocal laser scanning microscopy studies, the specimens fixed in 4% paraformaldehyde were incubated overnight with faloidin conjugated to FITC 1:700 in PBS (Sigma) and mounted in semi-permanent slides in PBS with 2.5% de 1,4-diazabiciclo-(2,2,2)-octanotrietilenodiamina and 50% glycerol, pH 7.2. Studies were performed using an Olympus BX51 with Fluoview version 3.2.In addition to newly collected specimens from Mexiana Island, one stained gravid female of C. tridentatus (mounted as a slide), collected from A. gigas from the Negro River, AM, Brazil, by Ferraz and Thatcher (1990) During recent investigations into the helminth parasites of fish in the Mexiana Island, Amazonia, Brazil, specimens of Camallanus tridentatus (Drasche) were collected from the arapaima Arapaima gigas (Schinz). Drasche (1884) briefly described this species as Cucullanus tridentatus from a single female specimen found by him among Diesing's type material of Goezia spinulosa (Diesing) from A. gigas, originally collected by Natterer in Brazil. Later Baylis (1927) shortly described another, probably non-gravid female, of C. tridentatus, from a collection of helminth parasites of A. gigas sent to the then British Museum (Natural History) in London from Brazil. The very incomplete data on the females of C. tridentatus by these authors represented the only available knowledge of this parasite species for the following more than 70 years, until Ferraz and Thatcher (1990) published a redescription of C. tridentatus based on one male and six females collected in A. gigas from the Negro River, state of Amazonas (AM), Brazil.Based on the examination of freshly collected material, the species is redescribed herein and new data on the morphology of adults and first-stage larva are inferred from confocal laser and scanning electron microscopy observations.

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Occurrence of Camallanus cotti in greatly diverse fish species from Danjiangkou Reservoir in central China

Cited by 13 publications

References 12 publications

Cooling water of power plant creates “hot spots” for tropical fishes and parasites

Cooling water of power plant creates “hot spots” for tropical fishes and parasites

Molecular Characteristics of Camallanus Spp. (Spirurida: Camallanidae) in Fishes from China Based On its rDNA Sequences

Camallanus tridentatus (Drasche) (Nematoda: Camallanidae): new taxonomically important morphological data

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