Description of a new species of Pseudopecoelus (Trematoda: Opecoelidae) with new records of trematodes of marine fishes from the Pacific coast of Mexico

Autores/as

  • María Angélica Estrada-García Universidad Nacional Autónoma de México
  • Luis García-Prieto Universidad Nacional Autónoma de México
  • Lorena Garrido-Olvera Universidad Autónoma de Tamaulipas http://orcid.org/0000-0001-8414-4519

DOI:

https://doi.org/10.22201/ib.20078706e.2018.1.1942

Palabras clave:

Marine fishes, Platyhelminthes, Endoparasites, Tropical Oriental Pacific

Resumen

As a part of the revision of unidentified specimens harbored by the Colección Nacional de Helmintos of the Instituto de Biología, Universidad Nacional Autónoma de México, we studied several specimens of trematodes collected and processed between 1950 and 1980 in marine fishes from several localities along the Pacific coast of Mexico. Among
these specimens, we found 1 undescribed species of the genus Pseudopecoelus von Wicklen, 1946 (Pseudopecoelus ibunami n. sp.) of the intestine of the spotted grouper Epinephelus analogus Gill, 1863 (Actinopterygii: Serranidae) from Bahía de La Paz, Baja California Sur. This species is the number 40 known for this genus worldwide and the fifth
registered parasitizing fishes from Mexico. The new species differs from the 17 species of Pseudopecoelus with vitelline follicles distributed anteriorly to ventral sucker by having a combination of the following traits: 1) body elongate, narrow, with irregular posterior end, 2) testes and ovary deeply-lobed, and 3) external seminal vesicle reaching only the anterior margin of ventral sucker. In addition, in this study we present new host and geographical records for 6 species of trematodes in marine fishes from Mexico and Pachycreadium gastrocotylum (Manter, 1940) Manter, 1954 is recorded for the first time in this country.

Biografía del autor/a

Luis García-Prieto, Universidad Nacional Autónoma de México

Técnico Académico en el Instituto de Biología.

Lorena Garrido-Olvera, Universidad Autónoma de Tamaulipas

Instituto de Ecología Aplicada, Profesor de Tiempo Completo D.

Citas

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Publicado

2018-03-22

Número

Sección

TAXONOMÍA Y SISTEMÁTICA