Alguns acantocéfalos de peixes do Oceano Atlântico, Costa Continental Portuguesa e Costa do Norte da África

Rodrigues, H. de Oliveira; Noronha, Dely; Varela, Manuel

doi:10.1590/s0074-02761975000200004

Cited by 8 publications

(3 citation statements)

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“…The results of our morphological and phylogenetic study, along with the available epidemiological information on R. pristis infection in Scombridae and Xiphidae fishes from the nearby Portugal coast, the Madeira Islands and the North Atlantic, suggest that the cystacanths herein described probably belong to this species (Rodrigues et al 1975, Vassiliades 1982, Hogans et al 1983, Rego 1987, Costa et al 2004. However, we strongly recommend that a thorough review of the species, as well as the family Rhadinorhynchidae, should be carried out.…”

Section: Descriptionmentioning

confidence: 52%

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Nyctiphanes couchii as intermediate host for Rhadinorhynchus sp. (Acanthocephala, Echinorhynchidae) from NW Iberian Peninsula waters

Gregori¹,

Aznar²,

Abollo³

et al. 2013

Dis. Aquat. Org.

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In the mesozooplanktonic community of the coastal upwelling system of the Ría de Vigo (NW Spain), the euphausiid Nyctiphanes couchii has been identified for the first time in temperate waters of the NE Atlantic as the intermediate host for cystacanths of Rhadinorhynchus sp. Parasites were identified using morphological characters described in 20 cystacanths. The hooks of the proboscis were arranged in 14 rows of 26 hooks each, while the hooks of the basal circle were only slightly erected and were longer than remaining spines. A maximum-likelihood estimation (ML) tree inferred from the 18S rRNA data set of Palaeacantocephala revealed that our specimens belong to a highly supported clade with Rhadinorhynchus sp., Pararhadinorhynchus sp. and Transvena annulospinosa. Nonetheless, our morphological and phylogenetic analyses suggested that the status of Rhadinorhynchus pristis should be re-examined. The prevalences of parasites were 0.0019% and 0.0001% for frontal and coastal summer communities, and 0.0068% and 0.0008% for coastal and oceanic autumn communities, respectively. The presence of these cystacanths in different mesozooplankton communities throughout the study suggests that the recruitment of parasites may be affected by the oceanography.

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Section: Descriptionmentioning

confidence: 52%

“…(Rudolphi, 1802) in euphausiids from the NE Atlantic are available. With the exception of Rodrigues et al (1975) and Rego et al (1985), Rhadinorhynchus has not been reported in this area. In addition, these authors found adults of this genus infecting scombrid fishes.…”

Section: Introductionmentioning

confidence: 94%

Nyctiphanes couchii as intermediate host for Rhadinorhynchus sp. (Acanthocephala, Echinorhynchidae) from NW Iberian Peninsula waters

Gregori¹,

Aznar²,

Abollo³

et al. 2013

Dis. Aquat. Org.

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“…According to Gibson and Bray (1986), H. appendiculatus appears to be restricted to A. alosa and A. fallax (especially in the latter) in Mediterranean and European Atlantic waters as far north as southern Norway (Moravec 2004). In addition, it was previously reported in A. fallax of the Atlantic coast of Africa and the Portuguese Coast (Rodrigues et al 1972cited in Aprahamian et al 2002.…”

Section: Hemiurus Appendiculatus (Rudolphi 1802)mentioning

confidence: 69%

Macroparasites of allis shad (Alosa alosa) and twaite shad (Alosa fallax) of the Western Iberian Peninsula Rivers: ecological, phylogenetic and zoonotic insights

et al. 2015

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Samples of anadromous Alosa alosa (Clupeidae) (n = 163) and Alosa fallax (Clupeidae) (n = 223), caught in Western Iberian Peninsula Rivers from 2008 to 2013, were examined for buccal, branchial and internal macroparasites, which were identified using morphological and molecular methods. Alosa alosa were infected with Anisakis simplex s.s., Anisakis pegreffii, Hysterothylacium aduncum, Rhadinorhynchus pristis, Mazocraes alosae, Hemiurus appendiculatus, Ceratothoa italica and an unidentified ergasilid copepod. Ceratothoa italica represents a new host record for A. alosa. Alosa fallax were infected with A. simplex s.s., A. pegreffii, H. aduncum, H. appendiculatus, Clavellisa emarginata and an unidentified cymothoid isopod. This is the first report of C. italica, C. emarginata and M. alosae in the Iberian Peninsula. The phylogenetic positions of M. alosae, H. appendiculatus and C. emarginata were assessed using 18S and 28S ribosomal RNA (rRNA); our contributions provide a better understanding of the phylogenetic relationships within their groups. Qualitative and quantitative differences in the parasite faunas of these two shad species are consistent with different feeding strategies. The results provide information about host migration behaviour and transmission pathways through diet during the marine trophic phase of the shad's life cycle and their roles as paratenic or final hosts and transporters of parasites between seawater and freshwater environments. The zoonotic parasites A. simplex s.s. and A. pegreffii pose a risk for consumers or riverine mammals (e.g. European otter). The use of parasites as biological tags for shad stocks in Western Iberian Rivers could be a useful approach in multidisciplinary studies concerning fish stock delimitation and characterization.

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Acanthocephaloides cyrusi n. sp. (Acanthocephala: Arhythmacanthidae) from southeast African teleost fishes

1988

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Alguns acantocéfalos de peixes do Oceano Atlântico, Costa Continental Portuguesa e Costa do Norte da África

Cited by 8 publications

References 0 publications

Nyctiphanes couchii as intermediate host for Rhadinorhynchus sp. (Acanthocephala, Echinorhynchidae) from NW Iberian Peninsula waters

Nyctiphanes couchii as intermediate host for Rhadinorhynchus sp. (Acanthocephala, Echinorhynchidae) from NW Iberian Peninsula waters

Macroparasites of allis shad (Alosa alosa) and twaite shad (Alosa fallax) of the Western Iberian Peninsula Rivers: ecological, phylogenetic and zoonotic insights

Acanthocephaloides cyrusi n. sp. (Acanthocephala: Arhythmacanthidae) from southeast African teleost fishes

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