{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,11,1]],"date-time":"2025-11-01T16:10:53Z","timestamp":1762013453616,"version":"build-2065373602"},"reference-count":16,"publisher":"EDP Sciences","license":[{"start":{"date-parts":[[2019,6,27]],"date-time":"2019-06-27T00:00:00Z","timestamp":1561593600000},"content-version":"vor","delay-in-days":177,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Parasite"],"accepted":{"date-parts":[[2019,5,29]]},"published-print":{"date-parts":[[2019]]},"abstract":"<jats:p>Three new species of <jats:italic>Synodontella<\/jats:italic> Dossou &amp; Euzet, 1993 are described from two species of <jats:italic>Synodontis<\/jats:italic> (Mochokidae) collected from the middle course of the Boumba River (East Cameroon): <jats:italic>Synodontella angustupenis<\/jats:italic> n. sp. from <jats:italic>Synodontis nummifer<\/jats:italic>, <jats:italic>Synodontella longipenis<\/jats:italic> n. sp. and <jats:italic>Synodontella simplex<\/jats:italic> n. sp. from <jats:italic>Synodontis decorus<\/jats:italic>. These new species are different from the other <jats:italic>Synodontella<\/jats:italic> species already described due to their horseshoe-shaped dorsal transverse bars. <jats:italic>Synodontella angustupenis<\/jats:italic> differs from <jats:italic>S. longipenis<\/jats:italic> and <jats:italic>S. simplex<\/jats:italic> by the morphology of its penis, a thin tube, and its accessory piece, bifid at its extremity. <jats:italic>Synodontella longipenis<\/jats:italic> differs from the other two species by the morphology and the size of its male copulatory organ, which is very long. <jats:italic>Synodontella simplex<\/jats:italic> differs from <jats:italic>S. angustupenis<\/jats:italic> and <jats:italic>S. longipenis<\/jats:italic> by the shape of its penis, which is simple, and of its accessory piece, with a developed heel. The difference between the dorsal transverse bars of <jats:italic>Synodontella<\/jats:italic> species from the Sanaga River in Cameroon (and other localities in Africa), slightly curved, and those from the Boumba River, horseshoe-shaped, makes it possible to separate <jats:italic>Synodontella<\/jats:italic> species into two different subgroups. This difference can be explained by a long isolation period of the hosts, living in different river basins, followed by the divergence of the parasite populations (vicariant speciation).<\/jats:p>","DOI":"10.1051\/parasite\/2019037","type":"journal-article","created":{"date-parts":[[2019,6,27]],"date-time":"2019-06-27T08:09:38Z","timestamp":1561622978000},"page":"37","source":"Crossref","is-referenced-by-count":5,"title":["New species of <i>Synodontella<\/i> (Monogenea, Ancyrocephalidae) gill parasites of two <i>Synodontis<\/i> spp. (Pisces, Mochokidae) from the Boumba River (Congo Basin, East Cameroon)"],"prefix":"10.1051","volume":"26","author":[{"given":"Jonathan A.","family":"Mbondo","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jacques","family":"Nack","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Arnold R.","family":"Bitja Nyom","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1591-7423","authenticated-orcid":false,"given":"Antoine","family":"Pariselle","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Charles F.","family":"Bilong Bilong","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"250","published-online":{"date-parts":[[2019,6,27]]},"reference":[{"key":"R1","first-page":"565","volume":"29","author":"Bates","year":"1997","journal-title":"Journal of Nematology"},{"key":"R2","unstructured":"Brooks DR, McLennan DA. 1991. 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