Acta Parasitologica

, Volume 64, Issue 2, pp 308–315 | Cite as

Didymozoids in Muscle of Atlantic Chub Mackerel (Scomber colias)

  • Rita Mota
  • Marianne Alves
  • Cristina P. Vieira
  • Jorge Vieira
  • Paula Tamagnini
  • Aurélia SaraivaEmail author
Original Paper



Digenean trematodes of the family Didymozoidae are tissue parasites that are particularly common in scombrid fish. These parasites can reduce the commercial value of fish, especially the ones occurring in the muscle.


In the present study and for the first time, we report the occurrence of didymozoids in muscle tissue of Atlantic chub mackerel (Scomber colias) collected in northeast Atlantic (Portuguese coast).


The entire musculature of 64 Scomber colias was removed and examined macroscopically and under a stereomicroscope to search for parasites.


The prevalence (3.1%) and abundance (0.03) of infection detected were quite low, but the parasites cause muscle softening decreasing the quality of the infected fish. If the infection levels increase, this may constitute a cause of concern for the fisheries and canning industry.


Didymozoids identified in this study are closely related to muscle parasites detected in other fish species of the genus Scomber, most probably the same species. Phylogenetic analysis also corroborates the hypothesis that muscle-parasitizing didymozoids are distinct from the ones parasitizing other fish organs.


Didymozoidae Scombridae Scomber colias Atlantic chub mackerel Northeast Atlantic (Portuguese coast) 



This paper was partially supports by the project INNOVMAR—Innovation and Sustainability in the Management and Exploitation of Marine Resources (reference NORTE-01-0145-FEDER-000035), supported by North Portugal Regional Operational Programme (NORTE 2020), under the PORTUGAL 2020 Partnership Agreement, through the European Regional Development Fund (ERDF).

Supplementary material

11686_2019_49_MOESM1_ESM.docx (17 kb)
Supplementary material 1 (DOCX 16 kb)


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Copyright information

© Witold Stefański Institute of Parasitology, Polish Academy of Sciences 2019

Authors and Affiliations

  1. 1.i3S-Instituto de Investigação e Inovação em SaúdeUniversidade do PortoPortoPortugal
  2. 2.IBMC-Instituto de Biologia Molecular e CelularUniversidade do PortoPortoPortugal
  3. 3.Departamento de Biologia, Faculdade de CiênciasUniversidade do PortoPortoPortugal
  4. 4.CIIMAR-Interdisciplinary Centre of Marine and Environmental ResearchMatosinhosPortugal

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