Careproctus surugaensis sp. nov. (Liparidae), a new snailfish from Suruga Trough, Japan

Full Paper

Abstract

A new species of liparid fish Careproctus surugaensis is described from a single specimen collected between 1,450 and 1,570 m depth on the northern part of Suruga Trough, Suruga Bay, Japan. It can be distinguished from all currently recognized congeners by the following combination of characters: 50 total vertebrae, 47 dorsal-fin rays, 39 anal-fin rays, 32 pectoral-fin rays, 10 principal caudal-fin rays, pectoral proximal radials 4 (first to third with notches); trilobate teeth on both jaws, gill slit 7.1 % SL, extending in front of 7th pectoral fin ray base; maximum body depth 19.1 % SL, disk length 7.9 % SL, anus midway between posterior margin of pelvic disk and anal-fin origin; body and fins light orange except blackish peritoneum.

Keywords

Suruga snailfish Careproctus surugaensis New species Near bottom Suruga Bay 

Notes

Acknowledgments

We are most grateful to Captain I. Hashigaya and Chief Engineer H. Sakata of T/V Hokuto for their assistance in the sampling program. Grateful thanks are also given to J. T. Williams and S. J. Raredon (USNM) for specimen loans, G. S. Hardy (Ngunguru, New Zealand) for his critical reading of the manuscript and I. Sakamoto (Tokai University) for information on the submarine topography of Suruga Trough. This study was supported in part by a Grant-in-Aid for Promotion of Scientific Research (C) (no. 25450280) from the Ministry of Education, Culture, Sports, Science and Technology, Japan to the third author.

Supplementary material

10228_2017_611_MOESM1_ESM.docx (142 kb)
Supplementary material 1 (DOCX 141 kb)

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Copyright information

© The Ichthyological Society of Japan 2017

Authors and Affiliations

  • Kenta Murasaki
    • 1
  • Munehiro Takami
    • 2
  • Atsushi Fukui
    • 2
  1. 1.Graduate School of BioscienceTokai UniversityShizuokaJapan
  2. 2.School of Marine Science and TechnologyTokai UniversityShizuokaJapan

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