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Vianna RT, Pelegrini LS, Vieira DHMD, de Azevedo RK, Abdallah VD. Oncoceratium amphidactylum n. gen. n. sp. (Monogenoidea: Gyrodactylidae) from Hoplosternum littorale (Hancock) (Siluriformes, Callichthyidae) from southeastern Brazil. Syst Parasitol 2023; 100:455-471. [PMID: 37249817 DOI: 10.1007/s11230-023-10097-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2022] [Accepted: 05/18/2023] [Indexed: 05/31/2023]
Abstract
Oncoceratium n. gen. is proposed to accommodate Oncoceratium amphidactylum n. gen. n. sp. (Monogenoidea, Gyrodactylidae). Although the proposed genus is monotypic, the differences presented in the diagnosis clearly establish it as distinct from species from other genera, such as Gyrodactylus von Nordmann, 1832 and especially those that occur exclusively in the Neotropical region. The new genus is diagnosed by the presence of a bulbous male copulatory organ, with one row of spinelets of similar sizes and shapes, while the only spine usually found in the gyrodactylids is absent or not differentiated; a haptor with anchors presenting points folded outwards, and superficial and deep roots continuous and indistinguishable; the absence of a deep bar; and hooks in two bilateral clusters of eight hooks. Oncoceratium amphidactylum n. gen. n. sp. is described from the tamboatá fish, Hoplosternum littorale (Hancock) (Callichthyidae), and is characterized by the presence of a pair of horn-shaped anchors with the point turned outwards, a superficial bar shield and absent deep bar, hooks disposed in bilateral lobes, and a MCO with no spine or with a row with large spinelets visible in place of the spine. In addition to the morphological features, distance analysis and Bayesian inference, based on 5.8s and partial ITS2, support placing the new species in a new genus, and not including it in a cluster of species of Gyrodactylus and near to Gyrodactyloides bychowskii Albova, 1948, Ieredactylus rivuli Schelkle et al., 2011 and Laminiscus gussevi (Bychowsky & Polyansky, 1953) Pálsson & Beverely-Burton, 1983.
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Affiliation(s)
- Rogério Tubino Vianna
- Laboratório de Biologia de Parasitos de Organismos Aquáticos, Instituto de Ciências Biológicas, Universidade Federal do Rio Grande (FURG), Av. Itália, km 8, Rio Grande, Rio Grande do Sul, Brazil
| | - Larissa Sbeghen Pelegrini
- Instituto de Biociências de Botucatu, Universidade Estadual Paulista (UNESP), Rua Prof. Dr. Antônio Celso Wagner Zanin, Distrito de Rubião Júnior, Botucatu, São Paulo, Brazil
| | - Diego Henrique Mirandola Dias Vieira
- Instituto de Biociências de Botucatu, Universidade Estadual Paulista (UNESP), Rua Prof. Dr. Antônio Celso Wagner Zanin, Distrito de Rubião Júnior, Botucatu, São Paulo, Brazil
| | - Rodney Kozlowiski de Azevedo
- Programa de Pós-Graduação em Análise de Sistemas Ambientais, Centro Universitário CESMAC, Rua Cônego Machado, 918, Farol, Maceió, Alagoas, Brazil
| | - Vanessa Doro Abdallah
- Setor de Parasitologia e Patologia, Universidade Federal de Alagoas, Av. Lourival Melo Mota - Tabuleiro do Martins, Maceió, Alagoas, Brazil.
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Pinacho-Pinacho CD, Guzmán-Valdivieso I, Calixto-Rojas M, García-Vásquez A, Rubio-Godoy M. Morphological and molecular characterization of three new species of Gyrodactylus (Monogenea: Gyrodactylidae) infecting Sicydium salvini (Teleostei: Gobiidae) in Mexican rivers draining into the Pacific Ocean. Parasitol Int 2023; 93:102712. [PMID: 36471535 DOI: 10.1016/j.parint.2022.102712] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2022] [Revised: 11/16/2022] [Accepted: 11/23/2022] [Indexed: 11/29/2022]
Abstract
The genus Gyrodactylus von Nordmann, 1832 is one of the most diverse within the class Monogenea; it contains mainly parasites of freshwater and marine teleost fishes. Around 40 species of Gyrodactylus have been described from gobiid fishes; mainly in Europe, as only two species are known from the Americas. In this study, we describe three new gyrodactylids from the body surface and fins of the goby Sicydium salvini (Gobiidae, Sycydiinae), which has a wide distribution on the Pacific coast, from Mexico to Panama. We describe Gyrodactylus oaxacae n. sp., G. atoyacensis n. sp. and G. salvini n. sp. collected from rivers draining to the eastern Pacific in the state of Oaxaca, Mexico. Morphologically, G. atoyacensis n. sp. and G. salvini n. sp. are very similar, and both are easily differentiated from G. oaxacae n. sp. Phylogenetic hypotheses based on sequences of the Internal Transcribed Spacers (ITS1-5.8S-ITS2 rDNA) and the D2 + D3 domains of the large ribosomal subunit (28S rDNA) support the erection of the three new taxa; and suggest that G. atoyacensis n. sp. and G. salvini n. sp. are sister species. These gyrodactylids are the first monogeneans described from gobies of the genus Sicydium in Mexico.
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Affiliation(s)
- Carlos Daniel Pinacho-Pinacho
- CONACyT Research Fellow, Instituto de Ecología, A. C., Red de Estudios Moleculares Avanzados, Km 2.5 Ant. Carretera a Coatepec, 91073 Xalapa, Veracruz, Mexico.
| | - Ismael Guzmán-Valdivieso
- Instituto de Ecología, A. C., Red de Biología Evolutiva, Km 2.5 Ant. Carretera a Coatepec, 91073 Xalapa, Veracruz, Mexico
| | - Miguel Calixto-Rojas
- Doctorado en Ciencias, Instituto de Ecología, A. C., Red de Estudios Moleculares Avanzados, Km 2.5 Ant. Carretera a Coatepec, 91073 Xalapa, Veracruz, Mexico
| | - Adriana García-Vásquez
- Instituto de Ecología, A. C., Red de Biología Evolutiva, Km 2.5 Ant. Carretera a Coatepec, 91073 Xalapa, Veracruz, Mexico
| | - Miguel Rubio-Godoy
- Instituto de Ecología, A. C., Red de Biología Evolutiva, Km 2.5 Ant. Carretera a Coatepec, 91073 Xalapa, Veracruz, Mexico
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Prikrylova I, Barson M, Shinn AP. Description of Tresuncinidactylus wilmienae gen. et sp. n. (Monogenea: Gyrodactylidae), from the gills of the bulldog, Marcusenius macrolepidotus (Peters) from Lake Kariba, Zimbabwe. Folia Parasitol (Praha) 2021; 68. [PMID: 34825654 DOI: 10.14411/fp.2021.025] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2021] [Accepted: 08/19/2021] [Indexed: 11/19/2022]
Abstract
The African continent has a rich diversity of fish and amphibians in its inland water systems that serve as hosts for monogeneans of seven genera of the Gyrodactylidae van Beneden et Hesse, 1832. In August 2011, eight gyrodactylid parasites were collected from the gills of two specimens of bulldog, Marcusenius macrolepidotus (Peters), from Lake Kariba, Zimbabwe. Morphometric evaluation and sequencing of 18S rDNA confirmed that the specimens represented a species of a new viviparous genus, Tresuncinidactylus wilmienae gen. et sp. n. The attachment apparatus consists of a single pair of large slender hamuli with prominently flattened roots that are connected by a simple, narrow dorsal bar. The ventral bar is small and possesses a thin lingulate membrane but no evident anterolateral processes. There are 16 marginal hooks of one morphological type, but of three different sizes, with large falculate sickles that are proportionaly equal in length to the length of their handles. The two largest pairs of marginal hooks are positioned closest to the opisthaptoral peduncle, the neighbouring two pairs of medium-sized marginal hook sickles are situated along the lateral margins of the opisthaptor. Four pairs of smallest marginal hooks are positioned along the posterior margin of the opisthaptor. The male copulatory organ consists of a muscular pouch armed with approximately 30 gracile spines. Phylogenetic analyses of partial sequences of the 18S rDNA using Maximum Likelihood and Bayesian Inference placed the new genus within the lineage of solely African genera and suggests Afrogyrodactylus Paperna, 1968, Citharodactylus Přikrylová, Shinn et Paladini, 2017 and Mormyrogyrodactylus Luus-Powell, Mashego et Khalil, 2003 as genera most closely related to the new genus.
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Affiliation(s)
- Iva Prikrylova
- DSI-NRF SARChI Chair (Ecosystem Health), Department of Biodiversity, University of Limpopo, Sovenga, South Africa.,Unit for Environmental Sciences & Development, North West University, Potchefstroom, South Africa
| | - Maxwell Barson
- Department of Biological Sciences, University of Botswana, Gaborone, Botswana
| | - Andrew P Shinn
- INVE Thailand Ltd., Samed Sub-district, Amphur Muang Chonburi, Chonburi, Thailand.,Centre for Sustainable Tropical Fisheries and Aquaculture, James Cook University, Townsville, Australia
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García-Vásquez A, Pinacho-Pinacho CD, Guzmán-Valdivieso I, Calixto-Rojas M, Rubio-Godoy M. Morpho-molecular characterization of Gyrodactylus parasites of farmed tilapia and their spillover to native fishes in Mexico. Sci Rep 2021; 11:13957. [PMID: 34230589 PMCID: PMC8260806 DOI: 10.1038/s41598-021-93472-6] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2021] [Accepted: 06/25/2021] [Indexed: 11/30/2022] Open
Abstract
Translocation of fishes for aquaculture has resulted in the co-introduction of some of their parasites. African cichlid fishes, generically called “tilapias” have been introduced worldwide, along with their monogenean parasites. In a nation-wide survey, we characterised monogeneans of the genus Gyrodactylus infecting farmed “tilapia” throughout Mexico. We also collected native fishes around farms, to look for potential parasite spillover from cultured fishes. Monogeneans were identified taxonomically using morphological and molecular characters. Originally African, pathogenic Gyrodactylus cichlidarum was recorded in every farm surveyed, infecting different “tilapia” varieties, as well as three native cichlid fish species. Previously, we had shown that G. cichlidarum also infects native, non-cichlid fishes in Mexico. We also recorded that Gyrodactylus yacatli is widely distributed in Mexico, infecting cultured “tilapia” and native fishes; and present data indicating that this is a further translocated African parasite. A third, unidentified gyrodactylid infected farmed and native fishes in Chiapas, southern Mexico; we describe the new species as Gyrodactylus shinni n. sp., and provide evidence that this is a third monogenean translocated with African fish. The wide distribution of exotic parasites co-introduced with “tilapia” and their spillover to native fishes may have an important impact on the ichthyofauna in Mexico, one the world’s megadiverse countries.
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Affiliation(s)
- Adriana García-Vásquez
- Instituto de Ecología, A.C., Red de Biología Evolutiva, Carretera antigua a Coatepec 351, 91073, Xalapa, Veracruz, Mexico
| | - Carlos Daniel Pinacho-Pinacho
- Investigador Cátedras CONACyT, Instituto de Ecología, A.C., Red de Estudios Moleculares Avanzados, Carretera antigua a Coatepec 351, 91073, Xalapa, Veracruz, Mexico
| | - Ismael Guzmán-Valdivieso
- Instituto de Ecología, A.C., Red de Biología Evolutiva, Carretera antigua a Coatepec 351, 91073, Xalapa, Veracruz, Mexico
| | - Miguel Calixto-Rojas
- Instituto de Ecología, A.C., Red de Biología Evolutiva, Carretera antigua a Coatepec 351, 91073, Xalapa, Veracruz, Mexico
| | - Miguel Rubio-Godoy
- Instituto de Ecología, A.C., Red de Biología Evolutiva, Carretera antigua a Coatepec 351, 91073, Xalapa, Veracruz, Mexico.
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Pinacho-Pinacho CD, Calixto-Rojas M, García-Vásquez A, Guzmán-Valdivieso I, Barrios-Gutiérrez JJ, Rubio-Godoy M. Species delimitation of Gyrodactylus (Monogenea: Gyrodactylidae) infecting the southernmost cyprinids (Actinopterygii: Cyprinidae) in the New World. Parasitol Res 2021; 120:831-848. [PMID: 33409628 DOI: 10.1007/s00436-020-06987-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2020] [Accepted: 11/24/2020] [Indexed: 10/22/2022]
Abstract
The genus Gyrodactylus von Nordmann, 1832 represents one of the most diverse and widespread taxa within Monogenea, with approximately 500 species described worldwide. Thirty-three species of Gyrodactylus have been recorded in Mexico, and in the last two decades, at least 26 new species have been described mainly from freshwater fish families such as poeciliids, goodeids, profundulids, characids, and cichlids. In this study, we describe two new species of Gyrodactylus infecting freshwater cyprinids based on morphological and molecular characteristics. Gyrodactylus ticuchi n. sp. and Gyrodactylus tobala n. sp. were recovered from Notropis moralesi de Buen and N. imeldae Cortés, respectively, captured in five localities from the State of Oaxaca, Mexico. The new species differ slightly from their congeners in the morphology of the haptoral hard parts and the male copulatory organ. Sequences of the Internal Transcribed Spacers rDNA (ITS1-5.8S-ITS2), cytochrome oxidase subunit I (cox1), and the D2 + D3 domains of the large subunit (28S rDNA) were obtained from multiple specimens and analyzed using Maximum Likelihood (ML) and Bayesian Inference (BI). Phylogenetic hypotheses using ITS rDNA, cox1, and 28S rDNA genes recovered two new species of Gyrodactylus from N. moralesi and N. imeldae; we briefly discuss their phylogenetic relationship with other congeners. These gyrodactylids represent the first species described in species of Notropis from southern Mexico, the cyprinids exhibiting the southernmost distribution in the New World.
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Affiliation(s)
- Carlos Daniel Pinacho-Pinacho
- Cátedras CONACyT, Instituto de Ecología, A. C, Red de Estudios Moleculares Avanzados, Carretera antigua a Coatepec 351, El Haya, Xalapa, 91070, Veracruz, Mexico.
| | - Miguel Calixto-Rojas
- Instituto de Ecología, A.C., Red de Biología Evolutiva, Km 2.5 Ant. Carretera a Coatepec, 91070 Xalapa, Veracruz, Mexico
| | - Adriana García-Vásquez
- Instituto de Ecología, A.C., Red de Biología Evolutiva, Km 2.5 Ant. Carretera a Coatepec, 91070 Xalapa, Veracruz, Mexico
| | - Ismael Guzmán-Valdivieso
- Instituto de Ecología, A.C., Red de Biología Evolutiva, Km 2.5 Ant. Carretera a Coatepec, 91070 Xalapa, Veracruz, Mexico
| | - Juan J Barrios-Gutiérrez
- Instituto de Ecología, A.C., Red de Biología Evolutiva, Km 2.5 Ant. Carretera a Coatepec, 91070 Xalapa, Veracruz, Mexico
| | - Miguel Rubio-Godoy
- Instituto de Ecología, A.C., Red de Biología Evolutiva, Km 2.5 Ant. Carretera a Coatepec, 91070 Xalapa, Veracruz, Mexico
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Data from monogenean and endohelminth communities in twospot livebearer Pseudoxiphophorus bimaculatus (Teleostei: Poeciliidae) populations in a neotropical river. Data Brief 2020; 32:106180. [PMID: 32904303 PMCID: PMC7452639 DOI: 10.1016/j.dib.2020.106180] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2020] [Revised: 08/04/2020] [Accepted: 08/12/2020] [Indexed: 12/02/2022] Open
Abstract
The data presented in this article are related to the research article entitled “Competition from sea to mountain: interactions and aggregation in low diversity monogenean and endohelminth communities in twospot livebearer Pseudoxiphophorus bimaculatus (Teleostei: Poeciliidae) populations in a neotropical river.” accepted for publication in Ecology and Evolution. The data describes the communities of helminth parasites in 11 populations of a small poeciliid freshwater fish Pseudoxiphophorus bimaculatus (Heckel, 1848) sampled along the La Antigua river basin in Veracruz, Mexico. We examined 19 P bimaculatus from one locality, 21 from another locality, and 20 from each of the other nine locations sampled in June 2016. A total of 220 individual fish were examined, and in this paper we provide the data for 18 helminth parasite taxa recorded from them. The material in this Data paper comprised the raw data on the abundance, i.e. the number of helminth individuals of each of 18 taxa found in each one individual of P. bimaculatus from each of 11 localities. The data set is contained in a single text-table including one matrix containing each of the 220 host P. bimaculatus examined from 11 localities (lines). Measures for each host P. bimaculatus include total length, standard length, maximum deep and sex, documented for everyone fish examined, plus data of the number of individual helminth of each taxa collected by each examined fish are placed in the columns. These data might be used to examine spatial distribution of helminth parasite taxa. These data might be reused to examine the spatial variation in community structure of helminth parasites of freshwater fish. This kind of data could be used to provide an assessment of human environmental impacts, or for public awareness of conservation objectives.
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Taglioretti V, García-Vásquez A, Rossin MA, Pinacho-Pinacho CD, Rubio-Godoy M, Timi JT. Two new species of Gyrodactylus von Nordmann, 1832 parasitizing Cnesterodon decemmaculatus (Poeciliidae) from the southern limit of the family in the Neotropical region. Parasitol Res 2020; 119:1713-1728. [PMID: 32405803 DOI: 10.1007/s00436-020-06680-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2019] [Accepted: 03/26/2020] [Indexed: 10/24/2022]
Abstract
In this study, we followed an integrative taxonomy approach to describe two new species of Gyrodactylus von Nordmann, 1832, and to identify specimens of G. breviradix Vega, Razzolini, Arbetman, and Viozzi, 2019, all three collected from ten spotted live-bearer Cnesterodon decemmaculatus (Jenyns, 1842), an endemic and widespread poeciliid from the Pampean region, which is the southernmost occurring species of the Poeciliidae in the Americas. Gyrodactylids were first characterized morphologically and mophometrically, and when possible, sequences of the Internal Transcribed Spacers (ITS1-5.8S-ITS2) and the cytochrome oxidase II (COII) were used to delimit species. Gyrodactylus breviradix, Gyrodactylus marplatensis n. sp., and Gyrodactylus pampeanus n. sp. were found on the fins and body surface of C. decemmaculatus in La Tapera Creek, Mar del Plata, Buenos Aires province, Argentina. A phylogenetic analysis combining newly generated sequences of one of the new species, G. marplatensis n. sp., and of G. breviradix, along with those available in GenBank for a further 36 species of Gyrodactylus, revealed that G. marplatensis n. sp. is a sister taxon of Gyrodactylus decemmaculati Vega, Razzolini, Arbetman, and Viozzi, 2019. Genetic distances for the ITS and COII gene were estimated among Gyrodactylus spp. and further supported the validity of the new species. Overall, morphometric and molecular data coincided in delimiting the new taxa, thus demonstrating the value of integrative taxonomy for the erection of new species of Gyrodactylus and species identification.
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Affiliation(s)
- Verónica Taglioretti
- Laboratorio de Ictioparasitología, Instituto de Invest\igaciones Marinas y Costeras (IIMyC). Facultad de Ciencias Exactas y Naturales, Universidad Nacional de Mar del Plata- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET). Funes 3350, (7600), Mar del Plata, Argentina.
| | - Adriana García-Vásquez
- Instituto de Ecología, A.C., Red de Biología Evolutiva, Carretera antigua a Coatepec 351, El Haya, 91070, Xalapa, VER, Mexico
| | - María Alejandra Rossin
- Laboratorio de Ictioparasitología, Instituto de Invest\igaciones Marinas y Costeras (IIMyC). Facultad de Ciencias Exactas y Naturales, Universidad Nacional de Mar del Plata- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET). Funes 3350, (7600), Mar del Plata, Argentina
| | - Carlos Daniel Pinacho-Pinacho
- Cátedras CONACyT, Instituto de Ecología, A.C., Red de Estudios Moleculares Avanzados, Carretera antigua a Coatepec 351, El Haya, 91070, Xalapa, VER, Mexico
| | - Miguel Rubio-Godoy
- Instituto de Ecología, A.C., Red de Biología Evolutiva, Carretera antigua a Coatepec 351, El Haya, 91070, Xalapa, VER, Mexico
| | - Juan Tomás Timi
- Laboratorio de Ictioparasitología, Instituto de Invest\igaciones Marinas y Costeras (IIMyC). Facultad de Ciencias Exactas y Naturales, Universidad Nacional de Mar del Plata- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET). Funes 3350, (7600), Mar del Plata, Argentina
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Dos Santos QM, Maina JN, Avenant-Oldewage A. Gyrodactylus magadiensis n. sp. (Monogenea, Gyrodactylidae) parasitising the gills of Alcolapia grahami (Perciformes, Cichlidae), a fish inhabiting the extreme environment of Lake Magadi, Kenya. ACTA ACUST UNITED AC 2019; 26:76. [PMID: 31859621 PMCID: PMC6924288 DOI: 10.1051/parasite/2019077] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2019] [Accepted: 12/06/2019] [Indexed: 11/14/2022]
Abstract
A new species of Gyrodactylus von Nordmann, 1832 is described from the gills of Alcolapia grahami, a tilapian fish endemic to Lake Magadi. This alkaline soda lake in the Rift Valley in Kenya is an extreme environment with pH as high as 11, temperatures up to 42 °C, and diurnal fluctuation between hyperoxia and virtual anoxia. Nevertheless, gyrodactylid monogeneans able to survive these hostile conditions were detected from the gills the Magadi tilapia. The worms were studied using light microscopy, isolated sclerites observed using scanning electron microscopy, and molecular techniques used to genetically characterize the specimens. The gyrodactylid was described as Gyrodactylus magadiensis n. sp. and could be distinguished from other Gyrodactylus species infecting African cichlid fish based on the comparatively long and narrow hamuli, a ventral bar with small rounded anterolateral processes and a tongue-shaped posterior membrane, and marginal hooks with slender sickles which are angled forward, a trapezoid to square toe, rounded heel, a long bridge prior to reaching marginal sickle shaft, and a long lateral edge of the toe. The species is also distinct from all other Gyrodactylus taxa based on the ITS region of rDNA (ITS1-5.8s-ITS2), strongly supporting the designation of a new species. These findings represent the second record of Gyrodactylus from Kenya, with the description of G. magadiensis bringing the total number of Gyrodactylus species described from African cichlids to 18.
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Affiliation(s)
- Quinton Marco Dos Santos
- Department of Zoology, University of Johannesburg, PO Box 524, Auckland Park, 2006 Johannesburg, South Africa
| | - John Ndegwa Maina
- Department of Zoology, University of Johannesburg, PO Box 524, Auckland Park, 2006 Johannesburg, South Africa
| | - Annemariè Avenant-Oldewage
- Department of Zoology, University of Johannesburg, PO Box 524, Auckland Park, 2006 Johannesburg, South Africa
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