Abstract
Members of the subfamily Neothoracocotylinae are gastrocotylinean monogeneans on the gills of scombrid fishes of the genera Scomberomorus and Acanthocybium, and reportedly of a coryphaenid fish belonging to the genus Coryphaena. We revise the diagnosis of the subfamily and its two genera and accept only two species as valid. Neothoracocotyle acanthocybii (Meserve, 1938) Hargis, 1956 is known from Acanthocybium solandri throughout the Pacific Ocean and in the western Atlantic. N. coryphaenae (Yamaguti, 1938) Hargis, 1956, known only from a single specimen and described from Coryphaena hippurus in Japan, is synonymised with N. acanthocybii. The sole member of Scomberocotyle, S. scomberomori (Koratha, 1955) Hargis, 1956, infects five species of Scomberomorus in the eastern Pacific Ocean and the western and eastern Atlantic. We record this worm from several new hosts and/or localities, including S. sierra and S. concolor in the eastern Pacific (Mexico to Colombia), S. maculatus and S. cavalla in the western Atlantic (USA to Brazil), and S. tritor in the eastern Atlantic (Sierra Leone to Nigeria).
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Hayward, C.J., Rohde, K. Revision of the monogenean subfamily Neothoracocotylinae Lebedev, 1969 (Polyopisthocotylea: Thoracocotylidae). Syst Parasitol 44, 183–191 (1999). https://doi.org/10.1023/A:1006240814286
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DOI: https://doi.org/10.1023/A:1006240814286