Ailinella mirabilis gen. n., sp. n. (Eucestoda: Pseudophyllidea) from Galaxias maculatus (Pisces: Galaxiidae) in the Andean-Patagonian region of Argentina

Pertierra, Alicia A. Gil de; Semenas, Liliana

doi:10.14411/fp.2006.034

Cited by 10 publications

(4 citation statements)

References 34 publications

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“…[50] to Acanthostomoides apophalliformis [51,52]; Diphyllobothium (e.g., [53,54]) to Dibothriocephalus [55,56], Nippotaenia sp. [57,58] to Ailinella mirabilis (ex Ga. maculatus [59]) and Galaxitaenia toloi (ex Ga. platei [60]), Echinocasmus sp. [57] to Stephanoprora uruguayense [61], and Diplostomum minutum [62] to Diplostomum sp.…”

Section: Data Collectionmentioning

confidence: 99%

A Global Assessment of Parasite Diversity in Galaxiid Fishes

et al. 2021

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Free-living species often receive greater conservation attention than the parasites they support, with parasite conservation often being hindered by a lack of parasite biodiversity knowledge. This study aimed to determine the current state of knowledge regarding parasites of the Southern Hemisphere freshwater fish family Galaxiidae, in order to identify knowledge gaps to focus future research attention. Specifically, we assessed how galaxiid–parasite knowledge differs among geographic regions in relation to research effort (i.e., number of studies or fish individuals examined, extent of tissue examination, taxonomic resolution), in addition to ecological traits known to influence parasite richness. To date, ~50% of galaxiid species have been examined for parasites, though the majority of studies have focused on single parasite taxa rather than assessing the full diversity of macro- and microparasites. The highest number of parasites were observed from Argentinean galaxiids, and studies in all geographic regions were biased towards the highly abundant and most widely distributed galaxiid species, Galaxias maculatus. Parasite diversity generally increased with the number of studies and individual fish examined, however studies which examined parasites from all body tissues could overcome the effects of low study effort. In order to promote further understanding of galaxiid–parasite biodiversity, we provide a series of recommendations, including the use of molecular techniques to verify parasite identity, and highlight the future roles both fish biologists and parasitologists can play.

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Section: Data Collectionmentioning

confidence: 99%

A Global Assessment of Parasite Diversity in Galaxiid Fishes

et al. 2021

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“…Galaxias maculatus (Actinopterygii: Galaxiidae); amphidromous; intestine; adult; Moreno and Nahuel Huapi Lake systems (Andean-Patagonian region); Argentina (Ortubay et al 1994; Rauque et al 2003; Revenga et al 2005; Gil de Pertierra and Semenas 2006; Viozzi et al 2009; Fernández et al 2010). …”

Section: Parasite-host Listmentioning

confidence: 99%

“…Ortubay et al (1994) and Rauque et al (2003) misidentified the parasite as Nippotaenia sp. (Gil de Pertierra and Semenas 2006). …”

Section: Parasite-host Listmentioning

confidence: 99%

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Annotated checklist of fish cestodes from South America

Alves¹,

Chambrier²,

Scholz³

et al. 2017

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An exhaustive literature search supplemented by a critical examination of records made it possible to present an annotated checklist of tapeworms (Cestoda) that, as adults or larvae (metacestodes), parasitize freshwater, brackish water and marine fishes, i.e. cartilaginous and bony fishes, in South America. The current knowledge of their species diversity, host associations and geographical distribution is reviewed. Taxonomic problems are discussed based on a critical evaluation of the literature and information on DNA sequences of individual taxa is provided to facilitate future taxonomic and phylogenetic studies. As expected, the current knowledge is quite uneven regarding the number of taxa and host-associations reported from the principal river basins and marine ecoregions. These differences may not only reflect the actual cestode richness but may also be due to the research effort that has been devoted to unravelling the diversity of these endoparasitic helminths in individual countries. A total of 297 valid species, 61 taxa identified to the generic level, in addition to unidentified cestodes, were recorded from 401 species of fish hosts. Among the recognized cestode orders, 13 have been recorded in South America, with the Onchoproteocephalidea displaying the highest species richness, representing c. 50% of all species diversity. The majority of records include teleost fish hosts (79%) that harbour larval and adult stages of cestodes, whereas stingrays (Myliobatiformes) exhibit the highest proportion of records (39%) among the elasmobranch hosts. Fish cestodes are ubiquitous in South America, being mostly recorded from the Warm Temperate Southeastern Pacific (WTSP; 31%) for marine hosts and the Amazon River basin (45%) for freshwater ones. The following problems were detected during the compilation of literary data: (i) unreliability of many records; (ii) poor taxonomic resolution, i.e. identification made only to the genus or even family level; (iii) doubtful host identification; Alves et al. / ZooKeys 650: 1-205 (2017) 2 and (iv) the absence of voucher specimens that would enable us to verify identification. It is thus strongly recommended to always deposit representative specimens in any type of studies, including faunal surveys and ecological studies. An analysis of the proportion of three basic types of studies, i.e. surveys, taxonomic and ecological papers, has shown a considerable increase of ecological studies over the last decade.

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