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A new species of the genus Careproctus (Liparidae) from the Sea of Japan

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Abstract

A new snailfish, Careproctus notosaikaiensis, is described on the basis of 6 specimens collected from the central part of the Sea of Japan, off Saikai, western coast of the Noto Peninsula, Ishikawa, Japan. The new species is distinguished from other congeners by the following combination of the characters: vertebrae 57–58, 10–12 abdominal and 46–48 caudal; dorsal-fin rays 52; anal-fin rays 46–47; principal caudal-fin rays 10; pectoral-fin rays 35–37; pectoral fin with a deep notch; proximal pectoral radials 4 (3 + 1), round; gill slit extending to pectoral-fin ray 4–7; teeth strongly trilobed; pleural ribs 2 pairs; 2 suprabranchial pores; chin pores paired in the same pit; pyloric caeca 20–29; dorsal and anal fins with dark margins and stomach black in preserved specimens.

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Acknowledgments

We greatly appreciate the Saikai Branch, Ishikawa Fisheries Co-operative Association for donating the type specimens of the new species and K. Sakai (Noto Marin Center, Ishikawa, Japan) for providing the opportunity for this study. Our appreciation is also extended to K. Matsuura and G. Shinohara (NSMT) for the registration of the paratype. We sincerely thank M. Yabe, H. Imamura, T. Kawai (HUMZ), K. Matsuura and G. Shinohara (NSMT), and J.T. Williams, D.G. Smith, S. Raredon and K. Murphy (USNM) for their kind hospitality during the visit of the first author to their collections. James W. Orr (NOAA, Alaska Fisheries Science Center) critically reviewed the manuscript and provided valuable comments. This study was supported in part by a Grant-in-Aid for Young Scientists (B) from the Ministry of Education, Culture, Sports, Science, and Technology (23770085).

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Authors and Affiliations

  1. Maizuru Fisheries Research Station, Field Science Education and Research Center, Kyoto University, Nagahama, Maizuru, Kyoto, 625-0086, Japan

    Yoshiaki Kai

  2. Notojima Aquarium, Notojima-Magarimachi, Nanao, Ishikawa, 926-0216, Japan

    Shinichiro Ikeguchi

  3. The Kyoto University Museum, Kyoto University, Yoshida, Sakyo, Kyoto, 606-8501, Japan

    Tetsuji Nakabo

Authors
  1. Yoshiaki Kai
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  2. Shinichiro Ikeguchi
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  3. Tetsuji Nakabo
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Correspondence to Yoshiaki Kai.

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Kai, Y., Ikeguchi, S. & Nakabo, T. A new species of the genus Careproctus (Liparidae) from the Sea of Japan. Ichthyol Res 58, 350–354 (2011). https://doi.org/10.1007/s10228-011-0241-3

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  • DOI: https://doi.org/10.1007/s10228-011-0241-3

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