Monogeneans from Pangasiidae (Siluriformes) in Southeast Asia: III. Five new species ofThaparocleidusJain, 1952 (Ancylodiscoididae) fromPangasius bocourti,P. djambalandP. hypophthalmus

Pariselle, Antoine; Lim, L. H. S.; Lambert, Alain

doi:10.1051/parasite/2002093207

Cited by 5 publications

(4 citation statements)

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“…After dissection, their left gill arches were preserved in 70% ethanol. Species identification was based on the morphology of sclerotized parts of the attachment and reproductive organs following Lim [32] and Pariselle et al [28, 33–36]. All Thaparocleidus species collected for this study were found on a single host species except for T. caecus , which was collected from Pangasius nasutus and Pangasianodon hypophthalmus (this host species has been introduced over the entire region of Southeast Asia for aquaculture purposes).…”

Section: Methodsmentioning

confidence: 99%

“…All Thaparocleidus species collected for this study were found on a single host species except for T. caecus , which was collected from Pangasius nasutus and Pangasianodon hypophthalmus (this host species has been introduced over the entire region of Southeast Asia for aquaculture purposes). However, host specificity in this study (Table 1) was evaluated at global level; that is, the data on host range of each analyzed Thaparocleidus species were retrieved from published studies [28, 33–37]. Thus, parasite species were separated into two categories: specialist parasitizing a single host species and generalist parasitizing at least two different host species [38].…”

Section: Methodsmentioning

confidence: 99%

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Speciation inThaparocleidus(Monogenea: Dactylogyridae) Parasitizing Asian Pangasiid Catfishes

Šimková

Serbielle

Pariselle

et al. 2013

BioMed Research International

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The phylogeny of monogeneans of the genus Thaparocleidus that parasitize the gills of Pangasiidae in Borneo and Sumatra was inferred from molecular data to investigate parasite speciation. The phylogeny of the Pangasiidae was also reconstructed in order to investigate host-parasite coevolutionary history. The monophyly of Thaparocleidus parasitizing Pangasiidae was confirmed. Low intraspecies molecular variability was observed in three Thaparocleidus species collected from geographically distant localities. However, a high intraspecies molecular variability was observed in two Thaparocleidus species suggesting that these species represent a complex of species highly similar in morphology. Distance-based and tree-based methods revealed a significant global fit between parasite and host phylogenies. Parasite duplication (i.e., intrahost speciation) was recognized as the most common event in Thaparocleidus, while the numbers of cospeciation and host switches were lower and similar to each other. When collapsing nodes correspond to duplication cases, our results suggest host switches in the Thaparocleidus-Pangasiidae system precluding congruence between host and parasite trees. We found that the morphometric variability of the parasite attachment organ is not linked to phylogeny, suggesting that the attachment organ is under adaptive constraint. We showed that haptor morphometry is linked to host specificity, whereby nonspecific parasites display higher morphometric variability than specialists.

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Section: Methodsmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

Speciation inThaparocleidus(Monogenea: Dactylogyridae) Parasitizing Asian Pangasiid Catfishes

Šimková

Serbielle

Pariselle

et al. 2013

BioMed Research International

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“…Lerssutthichawal et al (1999) recorded T. caecus from three host fishes: Pangasius conchophilus, Pangasius larnaudii and P. hypophthalmus, and T. siamensis from P. hypophthalmus cultured in Thailand. Pariselle et al (2002) recorded T. caecus from both P. hypophthalmus and Pangasius djambal and T. siamensis Lim 1996). The copulatory organ, as illustrated by Rastogi et al (2008), in particular, is not even close to that of T. vistulensis.…”

Section: Resultsmentioning

confidence: 81%

“…Evidently, T. caecus is a generalist parasite with wide host specificity, and thus most likely to represent a natural threat to native fish biodiversity of importing countries. Pariselle et al (2002) Considering continuing worldwide introductions/exports of P. hypophthalmus for aquarium and/or aquaculture purposes, we anticipate further range expansion for these parasites. It seems only relevant and essential that parasitologists consider the potential impact of parasites onto the economically important P. hypophthalmus farming.…”

Section: Disease Risk Implicationsmentioning

confidence: 99%

Monogenoidea on exotic Indian freshwater fishes. 2. Range expansion of Thaparocleidus caecus and T. siamensis (Dactylogyridae) by introduction of striped catfish Pangasianodon hypophthalmus (Pangasiidae)

2014

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23 SummaryThaparocleidus caecus and Thaparocleidus siamensis are parasitic monogeneans found on the gills of striped catfish Pangasianodon hypophthalmus (Pangasiidae), a native species of Southeast Asia. We report T. caecus and T. siamensis, for the first time in India, from the gills of aquarium-kept P. hypophthalmus (prevalence 40 % and 80 % respectively). We also report T. siamensis from the gills of pond-cultured P. hypophthalmus (prevalence 100 %); no specimen of T. caecus was observed on pondcultured P. hypophthalmus (prevalence 0 %). Morphometric data of the studied parasites did not differ significantly from previous descriptions of the two species recovered in other geographic locations. Similarly, no consequential variation was found when 28S rDNA of T. siamensis from the present study was compared with that of T. siamensis from Malaysia available on GenBank. The present investigation adds to growing cases of freshwater monogeneans that have been concomitantly introduced worldwide as a result of aquarium and aquaculture trade.

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Four new species of Cichlidogyrus Paperna, 1960 (Monogenea, Ancyrocephalidae), all gill parasites from African mouthbreeder tilapias of the genera Sarotherodon and Oreochromis (Pisces, Cichlidae), with a redescription of C. thurstonae Ergens, 1981

Pariselle

Bilong

Euzet³

2003

Syst Parasitol

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A study of Oreochromis niloticus (Linnaeus), O. aureus (Steindachner), Sarotherodon caudomarginatus (Boulenger), S. galilaeus (Linnaeus) and S. galilaeus sanagaensis (Thys van den Audenaerde) (Teleostei, Cichlidae) from different locations in Africa (Burkina Faso, Cameroon, Guinea, Niger and Senegal) revealed the presence of 11 species of monogenean gill parasites. Four, belonging to Cichlidogyrus Paperna, 1960 and considered as new species, are described: C. rognoni n. sp., C. douellouae n. sp., C. giostrai n. sp. and C. njinei n. sp. They are distinguished by the shape and/or size of the sclerotised parts of the haptoral and copulatory complexes. C. thurstonae Ergens, 1981 from O. niloticus is redescribed.

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Monogeneans from Pangasiidae (Siluriformes) in Southeast Asia: III. Five new species ofThaparocleidusJain, 1952 (Ancylodiscoididae) fromPangasius bocourti,P. djambalandP. hypophthalmus

Cited by 5 publications

References 1 publication

Speciation inThaparocleidus(Monogenea: Dactylogyridae) Parasitizing Asian Pangasiid Catfishes

Speciation inThaparocleidus(Monogenea: Dactylogyridae) Parasitizing Asian Pangasiid Catfishes

Monogenoidea on exotic Indian freshwater fishes. 2. Range expansion of Thaparocleidus caecus and T. siamensis (Dactylogyridae) by introduction of striped catfish Pangasianodon hypophthalmus (Pangasiidae)

Four new species of Cichlidogyrus Paperna, 1960 (Monogenea, Ancyrocephalidae), all gill parasites from African mouthbreeder tilapias of the genera Sarotherodon and Oreochromis (Pisces, Cichlidae), with a redescription of C. thurstonae Ergens, 1981

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