Systematic Parasitology

, Volume 96, Issue 2, pp 149–169 | Cite as

Species of Lepidapedon Stafford, 1904 (Digenea: Lepidapedidae) from deep-sea fishes in the Western Mediterranean: molecular and morphological evidence

  • Ana Pérez-del-OlmoEmail author
  • Sara Dallarés
  • Simona Georgieva
  • Maria Constenla
  • Aneta Kostadinova
  • Maite Carrassón


The species diversity of Lepidapedon Stafford, 1904 (Lepidapediae) in the Western Mediterranean was assessed based on samples from five deep-sea gadiform fishes collected between the Balearic Islands and the Catalonian coast of Spain: Lepidion lepidion (Risso) and Mora moro (Risso) (both Moridae); Coelorinchus mediterraneus Iwamoto & Ungaro and Trachyrincus scabrus (Rafinesque) (both Macrouridae); and Phycis blennoides (Brünnich) (Phycidae). Integration of morphological and molecular evidence (28S rRNA gene and the mitochondrial nad1 gene) revealed that the deep-sea fishes in the Western Mediterranean share two species of Lepidapedon. Lepidapedon desclersae Bray & Gibson, 1995 was recovered in all five fish species of three families [Moridae (L. lepidion and M. moro); Macrouridae (C. mediterraneus and T. scabrus); and Phycidae (P. blennoides)] and L. guevarai Lopez-Roman & Maillard, 1973 was recovered in three fish species of three families [Phycidae (P. blennoides); Macrouridae (T. scabrus); and Moridae (L. lepidion)]. Therefore, both species are considered to be euryxenic but restricted to gadiforms. The voucher material for the two species from different fish hosts is described in detail and the host-related variability based on the morphometric data is assessed.



We thank two anonymous reviewers for their constructive comments.


This study was supported by the Spanish Ministry of Science and Innovation (MICINN) projects (ANTROMARE CTM2009-12214-C02-02 to MCa, MCo, SD and APDO and AGL2015-68405-R to APDO), the Czech Science Foundation (project P505/12/G112 to AK, APDO and SG) and Valencian Local Government (PROMETEO 2015-018 to APDO). SG benefited from a postdoctoral fellowship ‘Juan de la Cierva-Formaciónʼ of the MICINN (FJCI-2016-29535), Spain.

Compliance with ethical standards

Conflict of interest

The authors declare that they have no conflict of interest.

Ethical approval

All applicable institutional, national and international guidelines for the care and use of animals were followed.


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© Springer Nature B.V. 2019

Authors and Affiliations

  1. 1.Institut Cavanilles de Biodiversitat i Biologia Evolutiva, Parc CientíficUniversitat de ValènciaValenciaSpain
  2. 2.Institute of ParasitologyBiology Centre of the Academy of Sciences of the Czech RepublicČeské BudějoviceCzech Republic
  3. 3.Departament de Biologia Animal, Biologia Vegetal i EcologiaUniversitat Autònoma de BarcelonaBarcelonaSpain
  4. 4.Institute of Biodiversity and Ecosystem ResearchBulgarian Academy of SciencesSofiaBulgaria

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