{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,7,30]],"date-time":"2025-07-30T15:19:31Z","timestamp":1753888771013,"version":"3.41.2"},"reference-count":22,"publisher":"FapUNIFESP (SciELO)","issue":"4","license":[{"start":{"date-parts":[[2024,1,1]],"date-time":"2024-01-01T00:00:00Z","timestamp":1704067200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"},{"start":{"date-parts":[[2024,1,1]],"date-time":"2024-01-01T00:00:00Z","timestamp":1704067200000},"content-version":"am","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"},{"start":{"date-parts":[[2024,1,1]],"date-time":"2024-01-01T00:00:00Z","timestamp":1704067200000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Rev. Bras. Parasitol. Vet."],"abstract":"<jats:p>Abstract The aim of this study was to describe a new species of Didymozoidae (Trematoda) found in the mesentery of Euthynnus alletteratus (Rafinesque) off Cabo Frio, in the coastal area of the state of Rio de Janeiro, Brazil. Thirty specimens of E. alletteratus were obtained between August 2023 and June 2024, directly from traders who sell fresh fish in markets. The parasites were fixed in AFA (93% ethanol 70%, 5% formaldehyde and 2% glacial acetic acid) with or without compression, stained with Langeron\u2019s hydrochloric carmine, dehydrated in an alcohol series, clarified in clove oil and mounted in Canada balsam as permanent slides. The new species was assigned to the genus Lobatozoum Ishii, 1935, mainly by the presence of lobes in the posterior region of the body and by the arrangement of the testes, ovary and vitellaria. Lobatozoum woodi n. sp. differs from all congeneric species mainly by presenting three testicular tubules, by the size of pharynx, larger than the oral sucker, and by the absence of digestive glands cells in esophagus and initial portion of caeca. The finding of a new species of Lobatozoum represents the eleventh valid species in the genus.<\/jats:p>","DOI":"10.1590\/s1984-29612024065","type":"journal-article","created":{"date-parts":[[2024,11,4]],"date-time":"2024-11-04T11:54:22Z","timestamp":1730721262000},"source":"Crossref","is-referenced-by-count":0,"title":["Lobatozoum woodi n. sp. (Digenea: Didymozoidae) parasitizing Euthynnus alletteratus (Scombriformes: Scombridae) in the coast of the State of Rio de Janeiro, Brazil"],"prefix":"10.1590","volume":"33","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-3181-7991","authenticated-orcid":false,"given":"Robertta Gitahy","family":"Freire","sequence":"first","affiliation":[{"name":"Instituto Oswaldo Cruz, Funda\u00e7\u00e3o Oswaldo Cruz,  Brasil; Instituto Oswaldo Cruz, Funda\u00e7\u00e3o Oswaldo Cruz,  Brasil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0684-3389","authenticated-orcid":false,"given":"Marcia Cristina Nascimento","family":"Justo","sequence":"additional","affiliation":[{"name":"Instituto Oswaldo Cruz, Funda\u00e7\u00e3o Oswaldo Cruz,  Brasil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8737-1159","authenticated-orcid":false,"given":"Yuri Costa","family":"Meneses","sequence":"additional","affiliation":[{"name":"Instituto Oswaldo Cruz, Funda\u00e7\u00e3o Oswaldo Cruz,  Brasil; Instituto Oswaldo Cruz, Funda\u00e7\u00e3o Oswaldo Cruz,  Brasil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9788-9533","authenticated-orcid":false,"given":"Alena Mayo","family":"I\u00f1iguez","sequence":"additional","affiliation":[{"name":"Instituto Oswaldo Cruz, Funda\u00e7\u00e3o Oswaldo Cruz,  Brasil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8204-336X","authenticated-orcid":false,"given":"Simone Chinicz","family":"Cohen","sequence":"additional","affiliation":[{"name":"Instituto Oswaldo Cruz, Funda\u00e7\u00e3o Oswaldo Cruz,  Brasil"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"530","published-online":{"date-parts":[[2024]]},"reference":[{"issue":"4","key":"ref1","first-page":"167","article-title":"Ecologia das comunidades de metazo\u00e1rios parasitos de cinco esp\u00e9cies de escombr\u00eddeos (Perciformes: Scombridae), do litoral do Estado do Rio de Janeiro, Brasil","volume":"15","author":"Alves DR","year":"2006","journal-title":"Rev Bras Parasitol Vet"},{"year":"1994","series-title":"Bioqu\u00edmica de pescados e derivados","author":"Contreras-Guzm\u00e1n ES","key":"ref2"},{"key":"ref3","first-page":"17","article-title":"An\u00e1lise da pesca da albacora\u2013bandolim, Thunnus obesus, no litoral Sudeste\u2013Sul do Brasil (1977-1995)","volume":"33","author":"Fagundes L","year":"2000","journal-title":"Arq Ci\u00ean"},{"year":"2020","series-title":"The State of World Fisheries and Aquaculture: sustainability in action.","key":"ref4"},{"year":"2024","series-title":"FishBase","author":"Froese R","key":"ref5"},{"issue":"2","key":"ref6","first-page":"279","article-title":"Studies on the family Didymozoidae (Monticelli, 1888)","volume":"6","author":"Ishii N","year":"1935","journal-title":"Jpn J Zool"},{"issue":"8","key":"ref7","article-title":"The conservation and management of tunas and their relatives: setting life history research priorities","volume":"8","author":"Juan-Jord\u00e1 MJ","year":"2013","journal-title":"PLoS One"},{"issue":"3","key":"ref8","doi-asserted-by":"crossref","first-page":"977","DOI":"10.1007\/s11686-021-00369-5","article-title":"Neonematobothrium annakohnae n. sp. (Digenea: Didymozoidae) parasitizing Euthynnus alletteratus (Perciformes: Scombridae) in the Southwest Atlantic Ocean","volume":"66","author":"Justo MCN","year":"2021","journal-title":"Acta Parasitol"},{"issue":"1","key":"ref9","first-page":"103","article-title":"New data on species of Didymozoidae parasitizing scombrids from the Southwestern Atlantic Ocean, Brazil","volume":"16","author":"Justo MCN","year":"2020","journal-title":"Check List"},{"key":"ref10","series-title":"Patologia e sanidade em ambientes aqu\u00e1ticos.","first-page":"137","volume-title":"Didymozoidae \u2013 um grupo enigm\u00e1tico de parasitas.","author":"Justo MCN","year":"2014"},{"issue":"2","key":"ref11","first-page":"113","article-title":"New data on three species of Koellikerioides (Digenea, Didymozoidae) in Brazilian tuna fish","volume":"5","author":"Justo MCN","year":"2011","journal-title":"Neotrop Helminthol"},{"issue":"3","key":"ref12","doi-asserted-by":"crossref","first-page":"436","DOI":"10.15560\/5.3.436","article-title":"Trematoda, Digenea, Didymozoidae, Coeliotrema thynni Yamaguti, 1938: first record in Brazil with three new hosts records","volume":"5","author":"Justo MCN","year":"2009","journal-title":"Check List"},{"year":"2018","series-title":"Digenetic Trematodes of Indian Marine Fishes.","author":"Madhavi R","key":"ref13"},{"issue":"4","key":"ref14","doi-asserted-by":"crossref","first-page":"337","DOI":"10.1017\/S0022149X00701118","article-title":"Community structure of helminth parasites of the tuna, Euthynnus affinis, from the Visakhapatnam coast, Bay of Bengal","volume":"74","author":"Madhavi R","year":"2000","journal-title":"J Helminthol"},{"issue":"10","key":"ref15","doi-asserted-by":"crossref","first-page":"1330","DOI":"10.1017\/S0031182016000792","article-title":"Ecology of the Atlantic black skipjack Euthynnus alletteratus (Osteichthyes: Scombridae) in the western Mediterranean Sea inferred by parasitological analysis","volume":"143","author":"Mele S","year":"2016","journal-title":"Parasitology"},{"issue":"1","key":"ref16","article-title":"New host records and new geographic distribution of Didymozoidae (Trematoda) parasites of Thunnus obesus (Scombridae)","volume":"90","author":"Moreira-Silva AM","year":"2019","journal-title":"Rev Mex Biodivers"},{"key":"ref17","series-title":"Keys to the Trematoda","first-page":"631","volume-title":"Family Didymozoidae Monticelli, 1888","volume":"3","author":"Pozdnyakov SE","year":"2008"},{"key":"ref18","first-page":"170","article-title":"New species of didymozoid trematodes from mackerel tuna in the Atlantic Ocean","volume":"28","author":"Pozdnyakov SE","year":"1994","journal-title":"Parazitologiia"},{"key":"ref19","series-title":"Investigation in parasitology: collection of papers.","first-page":"113","volume-title":"On systematic status of some genera from subfamily Didymozoinae (Trematoda: Didymozoidae)","author":"Pozdnyakov SE","year":"1989"},{"year":"1996","series-title":"Trematodes suborder Didymozoata.","author":"Pozdnyakov SE","key":"ref20"},{"year":"2024","series-title":"Didymozoidae Monticelli, 1888","key":"ref21"},{"key":"ref22","first-page":"15","article-title":"Studies of the helminth fauna of Japan. 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