DAO 94:77-81 (2011) - DOI: https://doi.org/10.3354/dao02309
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Occurrence of the oribatid mite Trhypochthoniellus longisetus longisetus (Acari: Trhypochthoniidae) on tilapia Oreochromis niloticus
A. Sonia Olmeda1, M. Mar Blanco2, José L. Pérez-Sánchez1, Mónica Luzón1, Morris Villarroel3, Alicia Gibello2,*
ABSTRACT: Mites as parasites infesting fish have been described in a few case reports involving Histiostoma anguillarum, H. papillata, and Schwiebea estradai. We describe the unexpected occurrence of oribatid mites of the genus Trhypochthoniellus on farmed tilapia Oreochromis niloticus. The fish had mites on the skin, fins, and gills, as well as in the mouth. The morphological characteristics of the mites, observed by optical and scanning electron microscopy, were consistent with those described for T. longisetus longisetus. All stages of development were observed, suggesting that the mites were able to actively reproduce on fish.
KEY WORDS: Fish parasite · Mite · Oribatida · Trhypochthoniellus longisetus · Tilapia · Oreochromis niloticus · Aquatic animal health
| Full text in pdf format | Cite this article as: Olmeda AS, Blanco MM, Pérez-Sánchez JL, Luzón M, Villarroel M, Gibello A
(2011) Occurrence of the oribatid mite Trhypochthoniellus longisetus longisetus (Acari: Trhypochthoniidae) on tilapia Oreochromis niloticus. Dis Aquat Org 94:77-81. https://doi.org/10.3354/dao02309
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