The Status Of <i>Tanquaanomala</i> (Von Linstow, 1904 (Nematoda: Gnathostomatoidea)

Dewi, Kartika; Jones, Hugh I.; Hamidy, Amir

doi:10.1080/03721426.2008.10887087

Cited by 2 publications

(5 citation statements)

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“…The sex of the nematodes infecting a subsample of 63 snakes was determined based on the presence of caudal alae in males (Dewi et al . ). Overall, the sex ratio of the 1859 worms removed from these snakes did not differ from 1:1 (940 males : 919 females; χ 2 = 0.22, P = 0.64).…”

Section: Resultsmentioning

confidence: 97%

“…; Naidu ; Farooq & Khanum ; Dewi et al . ; Al‐Moussawi ; Goldberg & Bursey ). The only other nematode species found, at low frequency (<5%), was Abbreviata sp.…”

Section: Resultsmentioning

confidence: 99%

“…However, T. anomala has a wide geographical range and is capable of infecting a variety of hosts, being common in snake families as diverse as Colubridae and Achrochordidae (Nama ; Farooq & Khanum ; Dewi et al . ; Al‐Moussawi ). An alternative (or additional) explanation may relate to the different life history phenotypes exhibited by the different species.…”

Section: Discussionmentioning

confidence: 99%

“…We also measured the total weight of all nematodes in each snake, and for a subsample of snakes we separated and weighed nematodes by sex (based on the presence of caudal alae in males; Dewi et al . ).…”

Section: Methodsmentioning

confidence: 97%

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High infection intensities, but negligible fitness costs, suggest tolerance of gastrointestinal nematodes in a tropical snake

Mayer¹,

Brown

Zimmermann³

et al. 2015

Austral Ecology

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22We investigated patterns of prevalence and intensity of gastrointestinal nematode infections in 23 a tropical natricine snake, the keelback (Tropidonophis mairii). Ninety-eight percent of 24 keelbacks were infected with Tanqua anomala (Gnathostomidae), with infection intensities of 25 up to 243 worms per snake. Infection with T. anomala caused severe inflammation of 26 stomach mucosa and submucosa at the sites of parasite attachment and encystment. 27Nonetheless, we did not detect detrimental effects of nematode infection on measures of 28 fitness among wild or captive snakes. Snakes with heavier nematode infections had higher 29 body condition scores than did less-infected individuals. De-worming captive snakes had no 30 measurable effect on their growth rate, body condition or locomotor performance. In 31 combination with an earlier study on blood-dwelling hepatozoons, our work suggests that 32 keelbacks have a high tolerance to parasites. The 'fast-pace' life history and short lifespan of 33 these snakes may make it beneficial for them to tolerate infection, rather than expend energy 34 on resisting parasite attack. 35 36

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Section: Resultsmentioning

confidence: 97%

“…; Naidu ; Farooq & Khanum ; Dewi et al . ; Al‐Moussawi ; Goldberg & Bursey ). The only other nematode species found, at low frequency (<5%), was Abbreviata sp.…”

Section: Resultsmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 97%

See 2 more Smart Citations

High infection intensities, but negligible fitness costs, suggest tolerance of gastrointestinal nematodes in a tropical snake

Mayer¹,

Brown

Zimmermann³

et al. 2015

Austral Ecology

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“…Tanqua anomala (Spirurida : Gnathostomatoidea) is found in aquatic snakes and in species of Varanus occupying aquatic or coastal habitats in northern Australia (Johnston and Mawson 1948;Jones 1988Jones , 2004Dewi et al 2008). Physalopteroides filicauda (Spirurida : Thubunaeinae) occurs almost exclusively in smaller lizards, principally skinks (often concurrently with Kreisiella spp.)…”

Section: Lesueurii)mentioning

confidence: 99%

Physalopterine nematodes in Australian reptiles: interactions and patterns of infection

Jones¹

2014

Aust. J. Zool.

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Abstract. Spirurid nematodes (family Physalopteridae) are widespread as adults or as encysted larvae in many species of Australian reptiles. Fifteen species of physalopterine nematodes (subfamily Physalopterinae) in the genera Kreisiella, Abbreviata and Skrjabinoptera infect more than 40 species of reptile in the five families Agamidae, Varanidae, Gekkonidae, Scincidae and Elapidae. Four species of nematode are host-species specific, six are host-family specific to varanid lizards, and three to agamid lizards. Larger species of reptile support a higher prevalence and abundance of nematodes, and often support multiple infections with more than one species, with the potential for interspecific competition. Geographic distribution of nematodes is partially limited by host distribution, and by climatic factors, mainly precipitation and temperature. There are strong positive and negative associations between several pairs of nematodes. Two species of nematode with the most pronounced muscular development at the anterior end, Abbreviata tumidocapitis and Abbreviata glebopalmae, only occur concurrently, and in low numbers, with species of nematode without these morphological features, suggesting differences in feeding in the hosts' stomachs. A combination of host specificity, geographic distribution and habitat, climatic factors and feeding organ morphology are factors that probably reduce the potential for interspecific competition. There is no evidence that concurrent infections affect either prevalence or abundance of nematodes, or cause discernible pathological changes to their hosts.

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The Status Of Tanquaanomala (Von Linstow, 1904 (Nematoda: Gnathostomatoidea)

Cited by 2 publications

References 4 publications

High infection intensities, but negligible fitness costs, suggest tolerance of gastrointestinal nematodes in a tropical snake

High infection intensities, but negligible fitness costs, suggest tolerance of gastrointestinal nematodes in a tropical snake

Physalopterine nematodes in Australian reptiles: interactions and patterns of infection

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