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Parasites of Scyliorhinus canicula (Linnaeus, 1758) in the north-eastern Aegean Sea
Bakopoulos, V.; Tsepa, E.; Diakou, A.; Kokkoris, G. (2018). Parasites of Scyliorhinus canicula (Linnaeus, 1758) in the north-eastern Aegean Sea. J. Mar. Biol. Ass. U.K. 98(8): 2133-2143. https://dx.doi.org/10.1017/s0025315417001552
In: Journal of the Marine Biological Association of the United Kingdom. Cambridge University Press/Marine Biological Association of the United Kingdom: Cambridge. ISSN 0025-3154; e-ISSN 1469-7769
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| Trefwoorden |
Parasites
Proleptus obtusus Dujardin, 1845 [WoRMS]; Scyliorhinus canicula (Linnaeus, 1758) [WoRMS]
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| Author keywords |
Neoalbionella sp.; Anisakis sp.; small-spotted catshark |
| Auteurs | | Top |
- Bakopoulos, V.
- Tsepa, E.
- Diakou, A.
- Kokkoris, G.
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| Abstract |
The parasitic fauna of the small-spotted catshark, Scyliorhinus canicula in the north-eastern Aegean Sea was investigated. Twenty-one out of the 52 (prevalence 40.4%) specimens collected were found infected with parasites; an arthropod and two nematode genera. Seven specimens (prevalence 13.5%) were infected by a Neoalbionella sp. copepod. Ten and 14 specimens were infected by the nematodes Proleptus obtusus (prevalence 19.2%) and Anisakis sp. (prevalence 26.9%), respectively. Female S. canicula specimens were significantly more heavily infected during autumn and when the whole sampling period is considered. Nematode infection was significantly related to season, becoming progressively heavier from spring to autumn. No correlation was found between TL of specimens and number of parasites for males or females, irrespective of gender. The present study provided a first record of Neoalbionella sp., P. obtusus and Anisakis sp. infections of S. canicula in the north-eastern Mediterranean. The lower prevalence of Proleptus obtusus and the higher prevalence of Anisakis sp. infection recorded in this study may be due to prey availability and parasite populations in this locality. |
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