The South American lungfish Lepidosiren paradoxa as a new host for Trichodina quelenii

Recently, the South American lungfish Lepidosiren paradoxa is being found inside aquaculture ponds, and even though there are a few studies on their parasite fauna, there is still much to be reported. Thus, the objective of this study is to report parasitism by trichodinids in L. paradoxa, as these...

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Bibliographic Details
Published in:	Brazilian journal of biology Vol. 79; no. 2; pp. 321 - 325
Main Authors:	Pala, G, Farias, T H V, Alves, L O, Hoppe, E G Lux
Format:	Journal Article
Language:	English
Published:	Brazil Instituto Internacional de Ecologia 01-04-2019
Subjects:	Aquaculture aquicultura BIOLOGY ectoparasitas espécies invasoras Fauna Fish Fish farms Lepidosiren paradoxa Morphology Mucus Parasites Parasitic diseases Parasitism Parasitology Protozoa Silver Silver nitrate Tegument Tilapia Trichodina tricodinídeos Underground storage tanks Brazil China aquaculture ectoparasites trichodinids ectoparasitas espécies invasoras aquicultura tricodinídeos invasive species
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Summary:	Recently, the South American lungfish Lepidosiren paradoxa is being found inside aquaculture ponds, and even though there are a few studies on their parasite fauna, there is still much to be reported. Thus, the objective of this study is to report parasitism by trichodinids in L. paradoxa, as these ciliate protozoa are related to injuries and mortality in fish farming. The lungfish were collected from experimental tanks, had their tegument scraped and the resultant mucus was analyzed under an optical microscope for morphological and morphometrical analyses in Giemsa and silver nitrate stained slides. The species found was identified as Trichodina quelleni. This is the first report of this parasite in L. paradoxa, and the second report in cultivated fish in Brazil.
Bibliography:	ObjectType-Article-1 SourceType-Scholarly Journals-1 ObjectType-Feature-2 content type line 23
ISSN:	1519-6984 1678-4375 1678-4375
DOI:	10.1590/1519-6984.185235