Two nematode species from freshwater and marine fishes in Thailand, including Ascarophis scatophagi sp. nov. (Cystidicolidae) from Scatophagus argus (Scatophagidae)
Language English Country Switzerland Media print
Document type Journal Article
PubMed
29351074
DOI
10.1515/ap-2018-0010
PII: /j/ap.2018.63.issue-1/ap-2018-0010/ap-2018-0010.xml
Knihovny.cz E-resources
- Keywords
- Cyprinidae, Falcaustra, Indian Ocean, Oriental Region, Parasite, Perciformes, Poropuntius, cystidicolid nematode,
- MeSH
- Animal Structures anatomy & histology MeSH
- Ascaridida anatomy & histology isolation & purification MeSH
- Biometry MeSH
- Ascaridida Infections parasitology veterinary MeSH
- Spirurida Infections parasitology veterinary MeSH
- Microscopy, Electron, Scanning MeSH
- Microscopy MeSH
- Fish Diseases parasitology MeSH
- Fishes MeSH
- Spiruroidea anatomy & histology classification isolation & purification MeSH
- Animals MeSH
- Check Tag
- Animals MeSH
- Publication type
- Journal Article MeSH
- Geographicals
- Thailand MeSH
One new and one known species of parasitic nematodes are reported from Thailand for the first time: Falcaustra kaverii (Karve et Naik,1951) (Kathlaniidae) from the intestine of the freshwater fish Poropuntius deauratus (Valenciennes) (Cyprinidae) (new host record) and Ascarophis scatophagi sp. nov. (Cystidicolidae) from the intestine of the marine fish Scatophagus argus (Linnaeus) (Scatophagidae). The morphology of both these species was studied with the use of light (LM) and scanning electron microscopy (SEM) (the latter method used for F. kaverii for the first time). The new species (A. scatophagi) is mainly characterized by nonfilamented, markedly elongate-oval eggs (size 42-45 × 18 μm), spicules 555-642 μm and 105-150 μm long, the muscular/glandular oesophagus length ratio (1:13-34), bifurcate deirids, the length of the female tail (159-249 μm) and cephalic structures typical of the nominotypical subgenus Ascarophis. Representatives of Falcaustra Lane, 1915 and Ascarophis van Beneden, 1871 were not previously reported from fishes in Thai waters.
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