Infestation of the Torrent Catfish (Siluriformes, Trichomycteridae) by an Exotic Crustacean (Copepoda, Lernaeidae) in Andean Mountains of Argentina
Infestation of the Torrent Catfish (Siluriformes, Trichomycteridae) by an Exotic Crustacean (Copepoda, Lernaeidae) in Andean Mountains of Argentina
Objective: This study reports the presence of a copepod, affecting adults of the torrent catfish in a tributary of the San JuanRiver in the southern part of South America.Materials and Methods: The fish (48.1-54.1 mm standard length) were collected in Los Bretes, San Juan province, Argentina.They were anesthetized, fixed in formalin, preserved in ethanol and deposited in the Ichthyological Collection of the FACEN.Results: Three torrent catfish (Trichomycterus corduvensis) examined were infested with nine copepod parasites (Lernaeacyprinacea), which were attached to the gill, urogenital opening, and base pectoral fin.Conclusion: According to our results, this is the first record of parasitism of Lernaea on the torrent catfish (T. corduvensis) anda new locality from the Andean Mountains of Argentina.
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