Please use this identifier to cite or link to this item: http://hdl.handle.net/1893/10014
Appears in Collections:Aquaculture Journal Articles
Peer Review Status: Refereed
Title: Gyrodactylus longipes n. sp. (Monogenea: Gyrodactylidae) from farmed gilthead seabream (Sparus aurata L.) from the Mediterranean
Authors: Paladini, Giuseppe
Hansen, Haakon
Fioravanti, Maria L
Shinn, Andrew
Contact Email: aps1@stir.ac.uk
Keywords: Gyrodactylus longipes
Monogenean
Parasite
Gilthead seabream
Sparus aurata
Italy
Bosnia–Herzegovina
Issue Date: Dec-2011
Publisher: Elsevier
Citation: Paladini G, Hansen H, Fioravanti ML & Shinn A (2011) Gyrodactylus longipes n. sp. (Monogenea: Gyrodactylidae) from farmed gilthead seabream (Sparus aurata L.) from the Mediterranean, Parasitology International, 60 (4), pp. 410-418.
Abstract: Gyrodactylus longipes n. sp. (Monogenea, Gyrodactylidae) is described from the gills of farmed juvenile gilthead seabream (Sparus aurata L.) from two sites located in Italy and Bosnia-Herzegovina and represents the second species of Gyrodactylus to be described from S. aurata. Gyrodactylus orecchiae Paladini, Cable, Fioravanti, Faria, Di Cave et Shinn, 2009 was the first gyrodactylid to be described from S. aurata, from populations cultured in Albania and Croatia. In the current study, G. longipes was found in a mixed infection with G. orecchiae on fish maintained in Latina Province, Italy, thus extending the reported distribution of the latter throughout the Mediterranean. The morphology of the opisthaptoral hard parts of G. longipes is compared to those of G. orecchiae, using light and scanning electron microscopy. Gyrodactylus longipes is characterised by having larger, elongated ventral bar processes and long, triangular-shaped toe region to their marginal hook sickles which, by comparison, are rhomboid in G. orecchiae. The marginal hook sickles of G. longipes are almost double the size of G. orecchiae which allows for their rapid discrimination from each other in mixed infections. A comparison of the DNA sequence of the ribosomal internal transcribed spacer 1 and 2 regions (ITS1 and ITS2) of G. longipes with the corresponding sequence from G. orecchiae and with those available in GenBank, supports the separate species status of G. longipes. Part of this study necessitated an overview of the existing Gyrodactylus fauna from Italy and Bosnia-Herzegovina; a summary from each country is provided here to assist future investigations.
Type: Journal Article
URI: http://hdl.handle.net/1893/10014
DOI Link: http://dx.doi.org/10.1016/j.parint.2011.06.022
Rights: The publisher does not allow this work to be made publicly available in this Repository. Please use the Request a Copy feature at the foot of the Repository record to request a copy directly from the author. You can only request a copy if you wish to use this work for your own research or private study.
Affiliation: Aquaculture
National Veterinary Institute, Oslo
University of Bologna
Aquaculture

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