Ichthyological Research

, 56:394 | Cite as

A new genus and species of prickleback (Perciformes: Stichaeidae) from Japan

  • Gento ShinoharaEmail author
  • Mamoru Yabe
Full Paper


A stichaeid fish, Xenolumpenus longipterus gen. et sp. nov., is described on the basis of 2 specimens (107.1–114.9 mm in standard length) collected from 167 to 300 m in the northern Sea of Japan off southern Hokkaido, Japan. Xenolumpenus is unique among all known genera of the subfamily Lumpeninae in having all pectoral, pelvic, and anal fin rays elongate and unbranched with fin membranes well-incised. Xenolumpenus longipterus can be further distinguished from all species of the subfamily in having the following combination of characters: dorsal fin XLVI–XLVIII; anal fin II, 28–29; pectoral fin 11; large black blotches on pectoral fin; and black ocellus on caudal fin.


New genus New species Sea of Japan Stichaeidae Xenolumpenuslongipterus 



We express sincere thanks to Shigeaki Kojima (Ocean Research Institute, the University of Tokyo), Kishiko Suetsugu (Ministry of the Environment), and the Captain and crew of the R/V Tansei-maru (JAMSTEC). Our thanks go to Hiromitsu Endo (BSKU) for comparative specimens and Sandra J. Raredon (National Museum of Natural History, Smithsonian Institution) for a fine photograph of Fig. 1. Edward O. Murdy (National Science Foundation) kindly provided English language corrections to our draft manuscript. This study was partly supported by a Grant-in-Aid for the Japan Society for the Promotion of Science to the first author (no. 18570098).

Supplementary material

10228_2009_126_MOESM1_ESM.doc (1.6 mb)
Fig. S1 (DOC 1661 kb)


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Copyright information

© The Ichthyological Society of Japan 2009

Authors and Affiliations

  1. 1.Department of ZoologyNational Museum of Nature and ScienceTokyoJapan
  2. 2.Laboratory of Marine Biology and Biodiversity (Systematic Ichthyology), Research Faculty of Fisheries SciencesHokkaido UniversityHakodateJapan

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