Evidence map›Paper›PMID 39836242›Full record

ArticleActa parasitologica2025

Description of Colobomatus conodoni n. sp. (Cyclopoida: Philichthyidae), a New Parasitic Copepod from the Barred Grunt Conodon nobilis (Linnaeus, 1758) (Actinopterygii: Haemulidae) Off the Brazilian Coast.

Fabiano Paschoal, Saturno Dias, Jorge Luiz Silva Nunes, José Luis Luque

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Article in Acta parasitologica, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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5 · Who and what money

Authors and funding

4 authors.

Fabiano PaschoalLaboratório de Helmintologia Romero Lascasas Porto, Departamento de Microbiologia, Imunologia e Parasitologia, Faculdade de Ciências Médicas, Universidade do Estado do Rio de Janeiro, Rio de Janeiro, RJ, 20550-170, Brazil. paschoalfabiano@gmail.com.ORCID http://orcid.org/0000-0002-8810-5549
Saturno DiasLaboratório de Organismos Aquáticos, Departamento de Oceanografia e Limnologia, Universidade Federal do Maranhão, Av. dos Portugueses, 1966, Bacanga, São Luís, MA, 65080‑805, Brazil.ORCID http://orcid.org/0009-0000-1058-6971
Jorge Luiz Silva NunesLaboratório de Organismos Aquáticos, Departamento de Oceanografia e Limnologia, Universidade Federal do Maranhão, Av. dos Portugueses, 1966, Bacanga, São Luís, MA, 65080‑805, Brazil.ORCID http://orcid.org/0000-0001-6223-1785
José Luis LuqueDepartamento de Parasitologia Animal, Universidade Federal Rural do Rio de Janeiro, Seropédica, RJ, 23897-000, Brazil.ORCID http://orcid.org/0000-0003-3515-1127

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

introductionCopepods of the genus Colobomatus Hesse, 1873 are parasites associated with subcutaneous spaces of marine fish. To date, around 76 species of the genus have been described in marine ecosystems, but few species have been recorded in the South Atlantic Ocean.

methodsOne hundred and eight specimens of Co. nobilis were purchased along the littoral of Brazil. The copepods were collected from the skull bones associated to the nasal cavities, fixed and preserved in 80% ethanol and for microscopical observation, specimens were cleared in 85% lactic acid. Drawings were made with the aid of an Olympus BX51 microscope equipped with a drawing tube.

resultsColobomatus conodoni n. sp. can be distinguished from all congeners by the combination of the following characters: (i) two cephalic processes that are longer than the cephalosome, (ii) third abdominal somite with a pair of processes, (iii) caudal rami forked at the tip.

conclusionThis is the first representative of the family Philichthyidae Vogt, 1877 described parasitizing a species of the teleost genus Conodon Cuvier. Together with the new species, the number of philichthyid species in the South Atlantic Ocean increases to 12 and extends the list of Colobomatus spp. to 77.

Indexed as

CopepodaFish DiseasesAnimalsAtlantic OceanBrazilFemaleFishesMaleCrustaceaHaemulidMarine fishParasiteSouth Atlantic OceanTaxonomy

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