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Podothecus hamlini: redescription, distribution and differences from P. veternus (Perciformes: Cottoidei: Agonidae)

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Abstract

The poacher Podothecus hamlini Jordan and Gilbert in Jordan and Evermann 1898 is redescribed on the basis of 35 specimens collected in northern Japan and southern Okhotsk Seas. This species can be distinguished from Podothecus veternus Jordan and Starks 1895 by the following combination of characters: 2–2.5 rows of dorsolateral plates between the depressed tip of first dorsal fin and the origin of second dorsal fin (almost no space in the latter); plates on caudal peduncle with conspicuous spines (no spine); no black bands on the body behind the head (present); and a black spot present between the 1st and 3rd spines of first dorsal fin (absent). It is suggested that there is no P. veternus in the Japan Sea and that all previous reports of this species are erroneous and refer to P. hamlini.

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Acknowledgements

The authors are grateful to N.L. Aseeva and D.V. Izmyatinskiy from the Pacific Branch of VNIRO for their help in collecting the material and also to V.P. Palm, the senior curator of the Laboratory of Ichthyology, ZIN RAS, for assistance in examination of the ZIN RAS collections. We are especially grateful to D. Pitassy and S. Raredon (USNM, Washington, DC, USA) for providing photographs of P. hamlini holotype and to J.D. Fong (CAS, San Francisco, USA) for providing photographs of paratype. Dr Milton S. Love (Marine Science Institute, University of California, Santa Barbara, USA) kindly improved the English wording. The investigations were supported by the Ministry of Science and Higher Education of the Russian Federation (№ 1021062912508-7; grant ID 13.1902.21.0012, contract No 075-15-2020-796). The study by B.A. Sheiko was funded within the framework of the State Assignment for the Zoological Institute of the Russian Academy of Sciences No. 122031100285-3.

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Authors and Affiliations

  1. A.V. Zhirmunsky National Scientific Center of Marine Biology, Far Eastern Branch, Russian Academy of Sciences, Vladivostok, 690041, Russia

    Sergey F. Solomatov & Andrey A. Balanov

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

    Boris A. Sheiko

  3. Pacific Branch of the Russian Federal Research Institute of Fisheries and Oceanography (TINRO), Vladivostok, 690091, Russia

    Igor I. Glebov

Authors
  1. Sergey F. Solomatov
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  2. Andrey A. Balanov
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  3. Boris A. Sheiko
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  4. Igor I. Glebov
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Correspondence to Sergey F. Solomatov.

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The authors declare that they have no conflict of interest.

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This study uses samples collected with all applicable international, national and/or institutional guidelines for sampling, care and experimental use of organisms. The fishes studied here are not included in the IUCN Red List of Threatened Species, nor are they listed as endangered, vulnerable, rare or protected species in the Russian Federation. The sampling points are located beyond any protected areas.

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Solomatov, S.F., Balanov, A.A., Sheiko, B.A. et al. Podothecus hamlini: redescription, distribution and differences from P. veternus (Perciformes: Cottoidei: Agonidae). Ichthyol Res (2024). https://doi.org/10.1007/s10228-024-00962-4

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