Taking into account the difficulties of taxonomic identification larval anisakid nematodes based on morphological characters, genetic analyses were performed, together with those usually applied, in order to identify larvae found flounder Paralichthys isosceles from littoral state Rio de Janeiro, Brazil. The analysis 1,820 revealed a new species, similar Hysterothylacium MD, 2, KB and sp regarding absence tooth, an excretory pore situated below nerve ring level, slender lateral alae....

Between January and August 2012, thirty specimens of Cynoscion guatucupa (Cuvier, 1830) caught off coast the municipality Itajaí, state Santa Catarina, Brazil (26° 54' 28″ S 48° 39' 43″ W) commercialized in Rio de Janeiro were investigated for presence zoonotic nematodes. In total 853 larvae four nematode parasite species found. There three Anisakidae: Anisakis sp., with prevalence (P) 10%, mean intensity (MI) 1.0, abundance (MA) 0.1 infection site (IS) mesentery; five Terranova sp. P =...

Desde Octubre hasta Marzo, 2006, 60 ejemplares de Paralichthys isosceles fueron colectados en el litoral del Estado do Rio Janeiro, Brasil, con objetivo hacer un inventario nematodos anisákidos considerando su importancia las zoonosis. Cinco especies larvales son representadas total 1.900 parásitos, siendo 1.850 muestras Hysterothylacium sp., 71 Raphidascaris cuatro of Terranova tres Anisakis simplex y dos Contracaecum sp. Los parásitos encontrados la cavidad abdominal, mesenterio,...

Sixty specimens of Paralichthys isosceles captured in the southeastern Brazilian coast were investigated for helminths from October 2006 to March 2008. One thousand eight hundred and twenty larvae (third fourth stages) Hysterothylacium sp. recovered abdominal cavity, free or inserted mesentery, intestine, stomach, stomach wall, liver, spleen, ovaries, serosas heart, kidneys, ovaries musculature. Gross lesions appeared as nodules mucosa intestinal serosa. Histological examination these...

A total of 206 adult specimens tilapia, Oreochromis niloticus, were collected from the Guarapiranga Reservoir, Sao Paulo, August 1996 to April 1998, relate their health condition with parasite infestation. Hematocrits and differential leukocyte counts analyzed. Scrapings skin gills performed this last removed fixed for identification monogeneans. In gills, Trichodina, Ichthyophtirius multifiliis, Cryptobia, amoebas monogeneans (Cichlidogyrus sp.) found, in skin, Cryptobia Henneguya. The...

The blackfin goosefish is included in a prized fish category, representing valuable fishery resource worldwide. aim of this study was to identify the Anisakidae larvae parasitizing species, considering hygienic-sanitary and public health importance these parasites infecting specimens goosefish, Lophius gastrophysus Miranda-Ribeiro, 1915 (Lophiidae), purchased from markets municipalities Cabo Frio, Niterói, Duque de Caxias Rio Janeiro; parasitological indices sites infection are presented....

Between February and August, 2012, thirty specimens of Atlantic moonfish, Selene setapinnis, were purchased in local markets Niterói, State Rio de Janeiro, Brazil, with the aim analyzing presence anisakid nematodes, establishing their rates parasitism infection sites, due to importance sanitary inspection. A total sixty nematode larvae, belonging at least two species found: nine larvae Terranova sp., Anisakidae, prevalence (P) 13.3%, mean intensity (MI) 2.25, abundance (MA) 0.30 range (RI)...

Flounders are commercially and economically important fish. A total of 120 specimens flounders (60 Paralichthys isosceles, 30 patagonicus Xystreurys rasile) were collected off the coast state Rio de Janeiro, Brazil. The fish measured, necropsied filleted, then had their organs investigated for acanthocephalans. Taxonomic identification parasites was based on morphological, morphometric genetic characters. isosceles P. parasitized by juveniles Serrasentis sagittifer, Bolbosoma turbinella,...

Abstract From December 2006 to March 2008, 60 specimens of Paralichthys isosceles and 25 P. patagonicus were investigated for helminths. One hundred sixty-nine digeneans recovered parasites identified as juvenile didymozoids two types. Torticaecum Neotorticaecum found in 48 the (80%) 10 (40%). are reported first time fish South America (Brazil), Atlantic Ocean. Morphometrics illustrations presented.

RESUMO Anisaquidose é uma doença provocada por parasitos da família Anisakidae e se caracteriza manifestações gastrointestinais alérgicas. O Anisakis simplex o parasito mais patogênico ao homem altamente alergênico. Porém, outros anisaquídeos também são danosos aos humanos, mas desconhecida a imunogenicidade dessas larvas. objetivo deste trabalho foi avaliar potencial imunogênico do Hysterothylacium deardorffoverestreetorum (HD) em modelo murino. Camundongos linhagem BALB/c foram divididos...

Balistes capriscus is an appreciated fish species in the state of Rio de Janeiro, Brazil, due its excellent quality flesh. The constant presence helminth larvae abdominal musculature, viscera and serosa individuals has been subject complaints among local traders because economic losses to their repugnant aspect. Considering hygienic-sanitary importance significance for collective health, was investigated 44 individual B. purchased from markets municipalities Niterói, Campos dos Goytacazes...

Fish belonging to Oligoplites genus are found along the Americas' Atlantic coast. Cestodes Trypanorhyncha order, although not possessing zoonotic character, can provide repulsive aspect seafood; studies have shown that these cestodes may lead antibody responses when ingested. This study aimed search order with importance in fish inspection, infesting commercial named "guaivira", which comprises three species: saurus; O. palometa; saliens; they were marketed cities of Niterói (Rio de Janeiro...

Heterosentis brasiliensis n. sp. (Acanthocephala, Arhythmacanthidae), parasitic in namorado sandperch Pseudopercis numida Miranda-Ribeiro, 1903 (Perciformes, Pinguipedidae) from the littoral of Cabo Frio, State Rio de Janeiro, Brazil, is described and illustrated herein. differs all congeneric species by having 10 longitudinal rows hooks proboscis, 6 or 7 each row, 3 4 small basal spines anterior ventral surface body. The similar species, heteracanthus (Linstow, 1896) caballeroi Gupta &...

Cestodes of the order Trypanorhyncha can frequently be found infecting muscles several marine fish species, and lead to a repugnant aspect rejection by consumers. The Brazilian sardinella, Sardinella brasiliensis, occurs from Gulf Mexico Caribbean northern Uruguay. In southeastern Brazil, fishing for species is very intensive since it generates significant revenue as one most commonly consumed an important element canned industry. aims present study were identify report occurrence tiny...

In November 2014 and May 2015, a total of 44 specimens the South American silver croaker Plagioscion squamosissimus were collected: 30 in Marajó Bay 14 Tapajós River, state Pará, Brazil. The aim was to investigate presence anisakid nematodes determine their parasitism indices sites infection, because importance regarding health inspection. Sixty-nine Anisakis sp. larvae found; among them, 16 seven fish collected 53 four River. from comprised prevalence (P) 23%, mean infection intensity (MI)...

Priacanthus arenatus is a fish that occurs in the waters of western Atlantic Ocean and has few records parasitism. This study aimed to report histological changes caused by larvae Hysterothylacium deardorffoverstreetorum. Between July December, 2013, 30 samples P. were obtained from markets cities Niterói Rio de Janeiro, state Brazil. Fragments spleen, liver, stomach wall mesentery tissues containing nodules free parasites extracted histopathological study. Through analysis it was verified...

Para el presente estudio, fueron adquiridos 276 atunes, entre enero de 2000 y diciembre 2002, en mercados peces, siendo 107 ejemplares Katsuwonus pelamis (Linnaeus, 1758), 5 Auxis thazard (Lacepède, 1800), 92 Thunnus albacares (Bonnaterre, 1788), 30 atlanticus (Lesson, 1830), 25 obesus (Lowe, 1839), 17 thynnus 1758) pescados municipio Cabo Frio, Estado Rio Janeiro, Brasil. Cincuenta seis (20,28%) los peces parasitados por lo menos con una especie parásito. Se colectaron un total 196...

From July to December, 2013, thirty Priacanthus arenatus specimens commercialized in the cities of Niterói and Rio de Janeiro, State were acquired. The fish necropsied filleted investigate presence nematode larvae. Twenty (66.7%) out total parasitized by A 2024 larvae collected; among them, 30 third-instar Anisakis sp. showed prevalence (P) = 20%, mean abundance (MA) 1, intensity (MI) 5, infection sites (IS) caecum, stomach, liver, mesentery; 1,994 (1,757 encysted 237 free) Hysterothylacium...