Ichthyological Research

, Volume 66, Issue 2, pp 280–288 | Cite as

Stolephorus insignus, a new anchovy from the western Pacific, and redescription of Stolephorus apiensis (Jordan and Seale 1906) (Clupeiformes: Engraulidae)

  • Harutaka HataEmail author
  • Hiroyuki Motomura
Full Paper


Stolephorus insignus sp. nov. is described from 10 specimens from Taiwan, the Philippines, and the Moluccas, Indonesia. The new species is closely related to S. apiensis (Jordan and Seale 1906), which is redescribed, both species having a long upper jaw with the posterior tip slightly short of or just reaching to the posterior border of the preopercle; no predorsal scutes; the posterior preopercular border rounded and convex; the posterior tip of the depressed pelvic fin extending beyond a vertical through the dorsal-fin origin; no dark lines on the dorsum; and no black spots below the eye and lower-jaw tip. However, the new species is distinguished from S. apiensis in having lower total gill-raker counts on the first, second, third, and fourth gill arches (46–49, 36–41, 24–27, and 18–22, respectively, vs. 48–53, 40–47, 24–29, and 19–22), a deeper body (19.5–21.1% SL vs. 17.0–20.0%), shorter anal-fin base (19.0–20.1% SL vs. 20.2–23.3%), longer caudal peduncle (18.4–19.8% SL vs. 14.4–18.3%), and pairs of distinct dark patches on the parietal and occipital regions (patches obscure in S. apiensis).


Clupeomorpha Morphology Taxonomy Philippines Southeast Asia 



This study was conducted under a Memorandum of Agreement for joint research made by and among the Department of Agriculture of the Republic of the Philippines (DA), the University of the Philippines Visayas (UPV), the Kagoshima University Museum, the Research Institute for Humanity and Nature, and Tokai University, facilitated by S. L. Sanchez [Bureau of Fisheries and Aquatic Resources (BFAR), DA]. P. J. Alcala (DA) provided a Prior Informed Consent Certificate, and I. P. Cabacaba and S. M. S. Nolasco (BFAR, DA) provided a fish specimen Export Certificate (No. 2016-39812). We thank the staff of the Office of the Vice-Chancellor for Research and Extension, UPV, and UPV Museum of Natural Sciences, College of Fisheries, UPV, including R. P. Babaran, S. S. Garibay, U. B. Alama, V. G. Urbina, L. H. Mooc, C. J. N. Rubido, E. P. Abunal, A. M. T. Guzman, R. S. Cruz, A. C. Gaje, and R. F. M. Traifalgar, and graduate students of the College of Fisheries, UPV for their support to this research collaboration. We thank K.-T. Shao and S.-P. Huang (ASIZP), O. Crimmen and J. Maclaine (BMNH), A. Suzumoto (BPBM), D. Catania (CAS), and J. Williams, K. Murphy, S. Raredon, and D. Pitassy (USNM) for opportunities to examine specimens of Stolephorus. We also thank Y. Haraguchi and other volunteers, and students of KAUM for their curatorial assistance, and G. Hardy (Ngunguru, New Zealand), for reading the manuscript and providing help with English. This study was supported in part by a Grant-in-Aid from the Japan Society for the Promotion of Science for JSPS Fellows (DC2: 29-6652); the Sasakawa Scientific Research Grant from the Japan Science Society (28-745); JSPS KAKENHI Grant Numbers JP19770067, JP26241027, JP24370041, JP23580259, and JP26450265; the “Biological Properties of Biodiversity Hotspots in Japan” project of the National Museum of Nature and Science, Tsukuba, Japan; “Establishment of Research and Education Network on Biodiversity and Its Conservation in the Satsunan Islands” project of Kagoshima University adopted by the Ministry of Education, Culture, Sports, Science and Technology, Japan; and the “Island Research” project by Kagoshima University.


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Copyright information

© The Ichthyological Society of Japan 2018

Authors and Affiliations

  1. 1.The United Graduate School of Agricultural SciencesKagoshima UniversityKagoshimaJapan
  2. 2.The Kagoshima University MuseumKagoshimaJapan

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