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Genetic and morphological evidence reveals the existence of a new family, genus and species of Echinorhynchida (Acanthocephala).
Gymnorhadinorhynchus gen. n. is proposed to accommodate its type species, G. decapteri sp. n., a parasite of the marine fish Decapterus punctatus (Cuvier), caught from the coastal waters of Brazil.Expand
A new species of Dichelyne (Nematoda, Cucullanidae) parasitizing sciaenid fishes from off the South American Atlantic coast
A new nematode species Dichelyne (Cucullanellus) sciaenidicola sp. nov. is described based on specimens collected from the Whitemouth croaker Micropogonias furnieri (Desmarest) and the ArgentineExpand
A NEW SPECIES OF CUCULLANUS (NEMATODA: CUCULLANIDAE) PARASITIZING CONGER ORBIGNIANUS (PISCES: CONGRIDAE) FROM ARGENTINEAN WATERS
In total, 17 specimens of Conger orbignianus Valenciennes, 1847 from waters off Mar del Plata, Argentina (38°08′S, 57°32′W) were examined for parasitic nematodes. A new nematode species, CucullanusExpand
Striped weakfish (Cynoscion guatucupa): a biomonitor of organochlorine pesticides in estuarine and near-coastal zones.
TLDR
Investigating the role of Cynoscion guatucupa as a biomonitor of organochlorine pesticides contamination in Bahía Blanca estuary showed that male adults of C. guatUCupa are biomonitors of OCP pollution so it is proposed for further investigations in other coastal zones of South America. Expand
Fish trophic level and the similarity of non-specific larval parasite assemblages.
TLDR
It is found that similarity at both infracommunity and component community levels showed a very clear decay pattern, based on parasite abundance and relative abundance, with increasing distance in TL, but was not related to changes in fish size, with TL thus emerging as the main explanatory factor for similarity of parasite assemblages. Expand
CUCULLANUS BONAERENSIS N. SP. (NEMATODA: CUCULLANIDAE) PARASITIZING UROPHYCIS BRASILIENSIS (PISCES: PHYCIDAE) FROM ARGENTINEAN WATERS
A total of 8 specimens of Urophycis brasiliensis (Kaup, 1858) from waters off Mar del Plata, Argentina (38°08′S, 57°32′W), were examined for parasitic nematodes. A new nematode species, CucullanusExpand
Ontogenetic changes in heterogeneity of parasite communities of fish: disentangling the relative role of compositional versus abundance variability
TLDR
Multivariate dispersions were used as a measurement of β-diversity in infracommunities of Conger orbignianus to determine how much of the variability in parasite assemblages is driven by differences in composition or in abundance, suggesting compositional homogeneity is reached faster than abundance heterogeneity as fish grow. Expand
Similarity in parasite communities of the teleost fish Pinguipes brasilianus in the southwestern Atlantic: infracommunities as a tool to detect geographical patterns.
TLDR
Different geographical patterns in parasite communities were a consequence of variability in parasite availability in the different regions, modulated by oceanographic conditions, as well as variation among species in terms of host specificity and life-cycles strategies. Expand
Seasonal stability and spatial variability of parasites in Brazilian sandperch Pinguipes brasilianus from the Northern Argentine Sea: evidence for stock discrimination.
TLDR
Evidence of the discreteness of both stocks was assessed by inclusion of samples from Patagonian gulfs in the discriminant analysis, confirming that their differences were at a inter-population level. Expand
The metazoan parasite communities of the Argentinean sandperch Pseudopercis semifasciata (Pisces: Perciformes) and their use to elucidate the stock structure of the host
TLDR
Differences among zones could be enhanced by the sedentary habits, limited dispersal and high site fidelity of P. semifasciata, and their spawning in rocky outcrops, which are isolated environments. Expand
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