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Diclidophora luscae (Monogenea: Diclidophoridae) in pouting, Trisopterus luscus (Linnaeus, 1758) from the northeast Atlantic; epidemiology, morphology, molecular and phylogenetic analysis
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Orientador(es)
Resumo(s)
Diclidophora (Monogenea) species are gill parasites with a stenoxenic specificity occurring only in Gadiformes. Epidemiological,
morphological, molecular and phylogenetic studies were performed on 594 Diclidophora specimens collected from 213
Trisopterus luscus captured in the northeast Atlantic off the Portuguese coast during 2012, 2013 and 2020. Prevalence, parasite
abundance and infection intensity were determined. Positive correlation between fish weight and length and infection intensity
was observed. The effects of preservation on the parasite morphological features were studied, highlighting that specimen’s
identification should be reinforced by molecular studies. A sequence of D. luscae capelanii from T. capelanus captured in the
Mediterranean Sea included in the 28S rDNA molecular analysis was nested within a robust D. luscae clade. Data analysis suggested
that this species is in fact D. luscae, which is compatible with T. luscus and T. capelanus. The identity of fish hosts was
confirmed by barcoding. For the first time, data on the infection parameters is shown, highlighting the importance of including
this parasite in the monitoring plans for a holistic approach with possible effects for the management of pouting resources aiming
of attaining sustainable development and biodiversity conservation measures, according to the 14th objective of the 2030 agenda
Descrição
Fish Parasitology - Original Paper
Palavras-chave
Diclidophora luscae pouting trisopterus luscus epidemiology morphology molecular and phylogenetic studies Northeast Atlantic
Contexto Educativo
Citação
Editora
Springer