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Article

Morphological and Molecular Characterization of Anisakid Nematode Larvae (Nematoda: Anisakidae) in the Black Cusk eel Genypterus maculatus from the Southeastern Pacific Ocean off Peru

by
Jhon Darly Chero
1,2,*,
Luis Ñacari
3,4,
Celso Luis Cruces
2,5,
David Fermín Lopez
2,
Edson Cacique
2,
Ruperto Severino
2,
Jorge Lopez
6,
José Luis Luque
7 and
Gloria Saéz
6
1
Laboratorio de Zoología, Facultad de Ciencias Biológicas, Universidad Ricardo Palma (URP), Av. Alfredo Benavides 5440 Santiago de Surco, Lima 15039, Peru
2
Laboratorio de Zoología de Invertebrados, Departamento Académico de Zoología, Facultad de Ciencias Biológicas, Universidad Nacional Mayor de San Marcos (UNMSM), Av. Universitaria Cruce con Av. Venezuela Cuadra 34, Lima 15081, Peru
3
Laboratorio de Ecología y Evolución de Parásitos, Facultad de Ciencias del Mar y Recursos Biológicos, Universidad de Antofagasta, 601 Angamos, Antofagasta 1240000, Chile
4
Instituto Milenio de Oceanografía, Universidad de Concepción, Concepción 4030000, Chile
5
Programa de Pós-Graduação em Biologia Animal, Universidade Federal Rural do Rio de Janeiro, Seropédica 23890-000, RJ, Brazil
6
Laboratorio de Parasitología General y Especializada, Facultad de Ciencias Naturales y Matemática, Universidad Nacional Federico Villarreal (UNFV), El Agustino, Lima 15007, Peru
7
Departamento de Parasitologia Animal, Universidade Federal Rural do Rio de Janeiro, Seropédica 23890-000, RJ, Brazi
*
Author to whom correspondence should be addressed.
Diversity 2023, 15(7), 820; https://doi.org/10.3390/d15070820
Submission received: 1 June 2023 / Revised: 26 June 2023 / Accepted: 27 June 2023 / Published: 29 June 2023
(This article belongs to the Special Issue Diversity, Taxonomy and Systematics of Fish Parasites)
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Abstract

The back cusk eel, Genypterus maculatus (Tschudi, 1846), (Ophiidiformes: Ophiididae) is one of the benthic-demersal fish usually consumed in northern Peru. Here, we identified the third stage (L3) Anisakidae sampled from 29 specimens of G. maculatus captured off the south American Pacific coast, Lambayeque Region, Peru. A total of 20 anisakid nematode larvae were collected on the visceral surface and divided morphologically into three types (Type I–III). These larvae were identified by mtDNA Cox2 sequences analysis, which indicated that corresponded to Anisakis pegreffii Campana-Rouget and Biocca, 1955, Skrjabinisakis physeteris (Baylis, 1923) and S. brevispiculata (Dollfus, 1966) Safonova, Voronova, and Vainutis, 2021, respectively. This is the first record of S. brevispiculata in Peru. The results obtained in this study provide knowledge on the diversity and distribution of Anisakis Dujardin, 1845 and Skrjabinisakis Mozgovoi, 1951, species in the south American Pacific waters and their relevance for public health. In addition, we suggest that combined use of molecular and morphological approaches is needed to characterize L3 anisakid larvae.
Keywords: Skrjabinisakis brevispiculata; Skrjabinisakis physeteris; Anisakis pegreffii; fish parasites; endoparasites; public health; South America Skrjabinisakis brevispiculata; Skrjabinisakis physeteris; Anisakis pegreffii; fish parasites; endoparasites; public health; South America

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MDPI and ACS Style

Chero, J.D.; Ñacari, L.; Cruces, C.L.; Lopez, D.F.; Cacique, E.; Severino, R.; Lopez, J.; Luque, J.L.; Saéz, G. Morphological and Molecular Characterization of Anisakid Nematode Larvae (Nematoda: Anisakidae) in the Black Cusk eel Genypterus maculatus from the Southeastern Pacific Ocean off Peru. Diversity 2023, 15, 820. https://doi.org/10.3390/d15070820

AMA Style

Chero JD, Ñacari L, Cruces CL, Lopez DF, Cacique E, Severino R, Lopez J, Luque JL, Saéz G. Morphological and Molecular Characterization of Anisakid Nematode Larvae (Nematoda: Anisakidae) in the Black Cusk eel Genypterus maculatus from the Southeastern Pacific Ocean off Peru. Diversity. 2023; 15(7):820. https://doi.org/10.3390/d15070820

Chicago/Turabian Style

Chero, Jhon Darly, Luis Ñacari, Celso Luis Cruces, David Fermín Lopez, Edson Cacique, Ruperto Severino, Jorge Lopez, José Luis Luque, and Gloria Saéz. 2023. "Morphological and Molecular Characterization of Anisakid Nematode Larvae (Nematoda: Anisakidae) in the Black Cusk eel Genypterus maculatus from the Southeastern Pacific Ocean off Peru" Diversity 15, no. 7: 820. https://doi.org/10.3390/d15070820

APA Style

Chero, J. D., Ñacari, L., Cruces, C. L., Lopez, D. F., Cacique, E., Severino, R., Lopez, J., Luque, J. L., & Saéz, G. (2023). Morphological and Molecular Characterization of Anisakid Nematode Larvae (Nematoda: Anisakidae) in the Black Cusk eel Genypterus maculatus from the Southeastern Pacific Ocean off Peru. Diversity, 15(7), 820. https://doi.org/10.3390/d15070820

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