Abstract
Encrasicholina integra sp. nov. is described from 10 specimens collected in Manokwari, West Papua, Indonesia. The new species is most similar to Encrasicholina oligobranchus (Wongratana 1983), which is redescribed, in sharing a short upper jaw with the posterior tip just reaching to the preopercle anterior margin, the dorsal and anal fins with three unbranched rays, a bony urohyal without fleshy knobs, and similar numbers of gill rakers. However, the former is characterized by a shorter head (its length 25.9–27.2% SL vs. 28.3–29.8% in E. oligobranchus), maxilla (its length 17.1–18.3% SL vs. 19.0–20.7%), and mandible (its length 17.5–18.7% SL vs. 19.1–20.5%), in addition to a deeper body (its depth 15.1–16.4% SL vs. 13.3–15.3%) and longer pelvic fin (9.3–10.2% SL vs. 8.7–9.4%).
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Acknowledgements
We thank O. Crimmen, J. Maclaine, and D. Nicholson (BMNH), D. Catania (CAS), Y. Kai (FAKU), G. Shinohara and M. Nakae (NSMT), and J. Williams, K. Murphy, S. Raredon, and D. Pitassy (USNM) for opportunities to examine specimens of Encrasicholina. We also thank G. Hardy (Ngunguru, New Zealand), for checking an early version of the manuscript. 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 19K236910001, JP23580259, JP26450265, and JP20H03311; the JSPS Core-to-Core Program: B Asia-Africa Science Platforms; the “Biological Properties of Biodiversity Hotspots in Japan” project of the National Museum of Nature and Science, Tsukuba, Japan; and “Establishment of Glocal Research and Education Network in the Amami Islands” project of Kagoshima University adopted by the Ministry of Education, Culture, Sports, Science and Technology, Japan.
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Hata, H., Motomura, H. Redescription of Encrasicholina oligobranchus (Wongratana 1983) (Clupeiformes: Engraulidae) and description of a new species of Encrasicholina from New Guinea. Ichthyol Res 68, 277–286 (2021). https://doi.org/10.1007/s10228-020-00789-9
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DOI: https://doi.org/10.1007/s10228-020-00789-9