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Taxonomic Status of Three Nominal Species of Indo-Pacific Flatfishes (Bothidae) with Redescription of Japonolaeops gracilis New Combination

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Abstract

The taxonomic status of three nominal species of Indo-Pacific bothid flatfishes, Laeops cypho Fowler, 1934, L. gracilis Fowler, 1934 and Japonolaeops dentatus Amaoka, 1969, is resolved. Japonolaeops gracilis (Fowler, 1934) is a new combination reflecting transfer of gracilis from Laeops to Japonolaeops. Japonolaeops gracilis, previously known only from the holotype, is redescribed based on 27 specimens, including the holotype. This species occurs between 48–440 m from the Saya de Malha Bank through Fiji, New Caledonia, the Philippines and Japan. Japonolaeops dentatus is a junior subjective synonym of J. gracilis. Laeops cypho, previously reported only from the holotype and paratype, is a junior subjective synonym of Neolaeops microphthalmus (von Bonde, 1922).

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REFERENCES

  1. Amaoka, K., Studies on the sinistral flounders found in the waters around Japan: taxonomy, anatomy and phylogeny, J. Shimonoseki Univ. Fish., 1969, vol. 18, pp. 65–340.

  2. Amaoka, K., Mihara, E., and Rivaton, J., Pisces, Pleuronectiformes: flatfishes from the waters around New Caledonia. A revision of the genus Engyprosopon, Mem. Mus. Natl. Hist. Nat.,Ser. A (Paris), 1993, vol. 158, pp. 377–426.

  3. Catalog of Fishes: Genera, Species, References, Version 11/2019, Fricke, R., Eschmeyer, W.N., and van der Laan, R., Eds., 2019. http://researcharchive.calacademy.org/research/ichthyology/ catalog/fishcatmain.asp.

  4. Fowler, H.W., Descriptions of new fishes obtained 1907 to 1910, chiefly in the Philippine Islands and adjacent seas, Proc. Acad. Nat. Sci. Philadelphia, 1934, vol. 85, pp. 233–367.

  5. Hubbs, C.L. and Lagler, K.F, Fishes of the Great Lakes Region, Ann Arbor, MI: Univ. of Michigan Press, 1974.

  6. von Bonde, C., The Heterosomata (flat fishes) collected by the S.S. “Pickle,” Rep. Fish. Mar. Biol. Surv. Union S. Afr., 1922, vol. 2, no. 1, pp. 3–29.

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ACKNOWLEDGMENTS

The authors extend sincere gratitude to Patrice Pruvost and Zora Gabsi (MNHN) and Elena Pavlova (ZIN) for supplying the material examined, and to Romain Causse (MNHN) for providing information on the depth of collecting for the specimens stored at the Paris Museum. Special thanks to Kevin Webb and Lucie Goodayle (BMNH Photo Unit) and Yoshiaki Kai (FAKU) for providing photographs of type specimens.

Funding

The study was partly supported by a State Assignment АААА-А17-117030310197-7.

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Authors and Affiliations

  1. Zoological Institute, Russian Academy of Sciences, 199034, St. Petersburg, Russia

    E. P. Voronina

  2. National Museum of Natural History, Museum Support Center, Suitland, MD, Washington, United States

    S. Raredon

  3. Natural History Museum, South Kensington, London, United Kingdom

    J. Maclaine

Authors
  1. E. P. Voronina
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  2. S. Raredon
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  3. J. Maclaine
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Correspondence to E. P. Voronina.

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Conflict of interests. The authors declare that they have no conflict of interest.

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Voronina, E.P., Raredon, S. & Maclaine, J. Taxonomic Status of Three Nominal Species of Indo-Pacific Flatfishes (Bothidae) with Redescription of Japonolaeops gracilis New Combination. J. Ichthyol. 60, 520–530 (2020). https://doi.org/10.1134/S0032945220040219

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  • DOI: https://doi.org/10.1134/S0032945220040219

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