A New Species of Encotyllabe Diesing, 1850 (Monopisthocotylea: Capsalidae), from the Pharyngeal Plates of Sciaena deliciosa (Tschudi, 1846) (Eupercaria: Sciaenidae) in Peru, with Notes on the Nomenclatural Status of E. callaoensis Tantaleán, 1974

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dc.contributor.authorHuerta, Andrés
dc.contributor.authorVillena, Carlos
dc.contributor.authorRamos, Moises
dc.contributor.authorRojas, Joana
dc.contributor.authorMilla, Kely
dc.contributor.authorMondragón-Martiínez, Aarón
dc.contributor.authorÑacari, Luis
dc.contributor.authorCruces, Celso Luis
dc.contributor.authorChero, Jhon Darly
dc.date.accessioned2026-10-22T17:53:19Z
dc.date.available2026-10-22T17:53:19Z
dc.date.issued2025
dc.description.abstractA new species of Encotyllabe Diesing, 1850 (Monopisthocotylea: Capsalidae), Encotyllabe tantaliani n. sp., is described from the pharyngeal plates of the Lorna drum, Sciaena deliciosa (Tschudi, 1846) (Eupercaria: Sciaenidae), collected from two localities along the Peruvian coast. This new species was originally proposed as E. callaoensis Tantaleán, 1974, in an unpublished doctoral thesis, and is herein recognized as a nomen nudum under the International Code of Zoological Nomenclature (ICZN). Encotyllabe tantaliani n. sp. is distinguished from all known congeners by the following combination of morphological features: (1) an anteriorly tapering body proper, (2) slightly lobed testes markedly larger than the ovary, (3) vitelline follicles beginning at the level of the male copulatory organ (MCO) and absent from the regions of the reproductive organs, (4) a genital pore positioned posterolateral to the pharynx, and (5) an oblong-shaped MCO. Phylogenetic analysis based on cox1 sequence places E. tantaliani n. sp. in a clade with Encotyllabe percussa Morales-Ávila, Jufaili & Ogawa, 2024, a parasite of Lethrinus nebulosus (Forsskål, 1775) (Eupercaria: Lethrinidae) from the Arabian Gulf. Pairwise genetic distances support the distinctiveness of the new species from its closest congeners. Encotyllabe tantaliani n. sp. represents the first species of the genus described from a host belonging to the Sciaenidae host.
dc.description.sponsorshipUniversidad Nacional Mayor de San Marcos—RR N◦ 004814-2025-R/UNMSM and project number B2510050v.
dc.identifier.doi10.3390/d17110795
dc.identifier.issn1424-2818
dc.identifier.urihttps://repositorioabierto.uantof.cl/handle/uantof/796
dc.language.isoen
dc.publisherMDPI
dc.rightsAttribution 4.0 International
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/
dc.sourceDiversity
dc.subjectcapsalids
dc.subjectfish ectoparasites
dc.subjectmarine sciaenids
dc.subjectphylogeny
dc.subjectintegrative taxonomy
dc.titleA New Species of Encotyllabe Diesing, 1850 (Monopisthocotylea: Capsalidae), from the Pharyngeal Plates of Sciaena deliciosa (Tschudi, 1846) (Eupercaria: Sciaenidae) in Peru, with Notes on the Nomenclatural Status of E. callaoensis Tantaleán, 1974
dc.typeArticle
oaire.citation.volume17
oaire.citationIssue11
organization.identifier.rorhttps://ror.org/04eyc6d95
organization.legalNameUniversidad de Antofagasta
uantof.curation.reviewed2026-11-05
uantof.curation.reviewedByDiego León
uantof.identificator.facultyFacultad de Ciencias del Mar y Recursos Biológicos
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Instituto de Ciencias Naturales Alexander von Humboldt