What can metazoan parasites reveal about the taxonomy of Scomber japonicus Houttuyn in the coast of South America and Madeira Islands?

M. E. Oliva, I. M. Valdivia, G. Costa, N. Freitas, M. A. Pinheiro De Carvalho, L. Sánchez, J. L. Luque

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Abstract

The metazoan parasites of four populations of the chub mackerel Scomber japonicus were analysed from two localities in the Atlantic Ocean (Madeira Islands, Portugal, and Rio de Janeiro, Brazil) and two localities in the Pacific Ocean (Callao, Peru, and Antofagasta, Chile), collected during 2002 and 2003. A total of 373 fish specimens were studied and 34 metazoan parasite species were obtained. Parasites identified from the populations of chub mackerel studied could be separated into three categories: parasites with a wide distribution, present in the Pacific and Atlantic, parasites proper of the Pacific Ocean and parasites proper of the Atlantic Ocean. The analyses of some highly specific parasites of the genus Scomber (i.e. monogeneans of the genus Kuhnia and didymozoid digeneans) strongly suggest the need for a revision of the taxonomic status of chub mackerels from the Atlantic and Pacific coast of America. The results demonstrated the usefulness of parasites as adequate tools to clarify the taxonomic status of their hosts.
Original languageAmerican English
Pages (from-to)545-554
Number of pages10
JournalJournal of Fish Biology
Volume72
Issue number3
DOIs
StatePublished - 1 Feb 2008

Keywords

  • Atlantic Ocean
  • Biogeography
  • Metazoan parasites
  • Pacific Ocean
  • Scomber japonicus

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    Oliva, M. E., Valdivia, I. M., Costa, G., Freitas, N., Pinheiro De Carvalho, M. A., Sánchez, L., & Luque, J. L. (2008). What can metazoan parasites reveal about the taxonomy of Scomber japonicus Houttuyn in the coast of South America and Madeira Islands? Journal of Fish Biology, 72(3), 545-554. https://doi.org/10.1111/j.1095-8649.2007.01725.x